Home / 1,555,458.40-2,332,899.60-433,295.20

Finding the Fourth Proportional to 1,555,458.40, 2,332,899.60 and 433,295.20

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Solution

The fourth proportional to 1,555,458.40, 2,332,899.60 and 433,295.20 is: 649,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,458.40 : 2,332,899.60 = 433,295.20 : x
  2. Step 2: Convert to fraction form
    1,555,458.40/2,332,899.60 = 433,295.20/x
  3. Step 3: Cross multiply
    1,555,458.40x = 2,332,899.60 × 433,295.20
  4. Step 4: Simplify right side
    1,555,458.40x = 1,010,834,198,761.92
  5. Step 5: Solve for x
    x = 1,010,834,198,761.92/1,555,458.40
  6. Step 6: Final answer
    x = 649,862.57

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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.