Home / 1,166,826.25-1,750,239.38-280,362.25

Finding the Fourth Proportional to 1,166,826.25, 1,750,239.38 and 280,362.25

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Solution

The fourth proportional to 1,166,826.25, 1,750,239.38 and 280,362.25 is: 420,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,826.25 : 1,750,239.38 = 280,362.25 : x
  2. Step 2: Convert to fraction form
    1,166,826.25/1,750,239.38 = 280,362.25/x
  3. Step 3: Cross multiply
    1,166,826.25x = 1,750,239.38 × 280,362.25
  4. Step 4: Simplify right side
    1,166,826.25x = 490,701,050,615.41
  5. Step 5: Solve for x
    x = 490,701,050,615.41/1,166,826.25
  6. Step 6: Final answer
    x = 420,543.38

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Double scale
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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.