Home / 1,565,772.80-2,348,572.52-428,453.36

Finding the Fourth Proportional to 1,565,772.80, 2,348,572.52 and 428,453.36

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Solution

The fourth proportional to 1,565,772.80, 2,348,572.52 and 428,453.36 is: 642,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,772.80 : 2,348,572.52 = 428,453.36 : x
  2. Step 2: Convert to fraction form
    1,565,772.80/2,348,572.52 = 428,453.36/x
  3. Step 3: Cross multiply
    1,565,772.80x = 2,348,572.52 × 428,453.36
  4. Step 4: Simplify right side
    1,565,772.80x = 1,006,253,787,397.67
  5. Step 5: Solve for x
    x = 1,006,253,787,397.67/1,565,772.80
  6. Step 6: Final answer
    x = 642,656.32

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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.