Home / 1,555,428.40-2,332,854.60-433,265.20

Finding the Fourth Proportional to 1,555,428.40, 2,332,854.60 and 433,265.20

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Solution

The fourth proportional to 1,555,428.40, 2,332,854.60 and 433,265.20 is: 649,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,428.40 : 2,332,854.60 = 433,265.20 : x
  2. Step 2: Convert to fraction form
    1,555,428.40/2,332,854.60 = 433,265.20/x
  3. Step 3: Cross multiply
    1,555,428.40x = 2,332,854.60 × 433,265.20
  4. Step 4: Simplify right side
    1,555,428.40x = 1,010,744,714,839.92
  5. Step 5: Solve for x
    x = 1,010,744,714,839.92/1,555,428.40
  6. Step 6: Final answer
    x = 649,817.58

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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.