Home / 1,342,648.90-2,013,973.35-775,000.90

Finding the Fourth Proportional to 1,342,648.90, 2,013,973.35 and 775,000.90

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Solution

The fourth proportional to 1,342,648.90, 2,013,973.35 and 775,000.90 is: 1,162,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,648.90 : 2,013,973.35 = 775,000.90 : x
  2. Step 2: Convert to fraction form
    1,342,648.90/2,013,973.35 = 775,000.90/x
  3. Step 3: Cross multiply
    1,342,648.90x = 2,013,973.35 × 775,000.90
  4. Step 4: Simplify right side
    1,342,648.90x = 1,560,831,158,826.02
  5. Step 5: Solve for x
    x = 1,560,831,158,826.02/1,342,648.90
  6. Step 6: Final answer
    x = 1,162,501.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.