Home / 1,381,414.94-2,072,402.66-434,565.44

Finding the Fourth Proportional to 1,381,414.94, 2,072,402.66 and 434,565.44

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Solution

The fourth proportional to 1,381,414.94, 2,072,402.66 and 434,565.44 is: 651,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,414.94 : 2,072,402.66 = 434,565.44 : x
  2. Step 2: Convert to fraction form
    1,381,414.94/2,072,402.66 = 434,565.44/x
  3. Step 3: Cross multiply
    1,381,414.94x = 2,072,402.66 × 434,565.44
  4. Step 4: Simplify right side
    1,381,414.94x = 900,594,564,524.47
  5. Step 5: Solve for x
    x = 900,594,564,524.47/1,381,414.94
  6. Step 6: Final answer
    x = 651,936.32

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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.