Home / 1,244,156.64-1,866,531.12-402,708.32

Finding the Fourth Proportional to 1,244,156.64, 1,866,531.12 and 402,708.32

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Solution

The fourth proportional to 1,244,156.64, 1,866,531.12 and 402,708.32 is: 604,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,156.64 : 1,866,531.12 = 402,708.32 : x
  2. Step 2: Convert to fraction form
    1,244,156.64/1,866,531.12 = 402,708.32/x
  3. Step 3: Cross multiply
    1,244,156.64x = 1,866,531.12 × 402,708.32
  4. Step 4: Simplify right side
    1,244,156.64x = 751,667,611,562.92
  5. Step 5: Solve for x
    x = 751,667,611,562.92/1,244,156.64
  6. Step 6: Final answer
    x = 604,158.34

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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.