Home / 1,565,773.80-2,348,574.02-428,454.36

Finding the Fourth Proportional to 1,565,773.80, 2,348,574.02 and 428,454.36

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Solution

The fourth proportional to 1,565,773.80, 2,348,574.02 and 428,454.36 is: 642,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,773.80 : 2,348,574.02 = 428,454.36 : x
  2. Step 2: Convert to fraction form
    1,565,773.80/2,348,574.02 = 428,454.36/x
  3. Step 3: Cross multiply
    1,565,773.80x = 2,348,574.02 × 428,454.36
  4. Step 4: Simplify right side
    1,565,773.80x = 1,006,256,778,651.73
  5. Step 5: Solve for x
    x = 1,006,256,778,651.73/1,565,773.80
  6. Step 6: Final answer
    x = 642,657.82

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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.