Home / 842,480.90-1,263,721.35-803,114.90

Finding the Fourth Proportional to 842,480.90, 1,263,721.35 and 803,114.90

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Solution

The fourth proportional to 842,480.90, 1,263,721.35 and 803,114.90 is: 1,204,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,480.90 : 1,263,721.35 = 803,114.90 : x
  2. Step 2: Convert to fraction form
    842,480.90/1,263,721.35 = 803,114.90/x
  3. Step 3: Cross multiply
    842,480.90x = 1,263,721.35 × 803,114.90
  4. Step 4: Simplify right side
    842,480.90x = 1,014,913,445,633.12
  5. Step 5: Solve for x
    x = 1,014,913,445,633.12/842,480.90
  6. Step 6: Final answer
    x = 1,204,672.35

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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.