Home / 1,414,530.02-2,121,817.02-787,429.64

Finding the Fourth Proportional to 1,414,530.02, 2,121,817.02 and 787,429.64

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Solution

The fourth proportional to 1,414,530.02, 2,121,817.02 and 787,429.64 is: 1,181,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,530.02 : 2,121,817.02 = 787,429.64 : x
  2. Step 2: Convert to fraction form
    1,414,530.02/2,121,817.02 = 787,429.64/x
  3. Step 3: Cross multiply
    1,414,530.02x = 2,121,817.02 × 787,429.64
  4. Step 4: Simplify right side
    1,414,530.02x = 1,670,781,612,204.47
  5. Step 5: Solve for x
    x = 1,670,781,612,204.47/1,414,530.02
  6. Step 6: Final answer
    x = 1,181,156.70

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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.