Home / 1,114,718.56-1,671,551.12-431,925.28

Finding the Fourth Proportional to 1,114,718.56, 1,671,551.12 and 431,925.28

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Solution

The fourth proportional to 1,114,718.56, 1,671,551.12 and 431,925.28 is: 647,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,718.56 : 1,671,551.12 = 431,925.28 : x
  2. Step 2: Convert to fraction form
    1,114,718.56/1,671,551.12 = 431,925.28/x
  3. Step 3: Cross multiply
    1,114,718.56x = 1,671,551.12 × 431,925.28
  4. Step 4: Simplify right side
    1,114,718.56x = 721,985,185,540.31
  5. Step 5: Solve for x
    x = 721,985,185,540.31/1,114,718.56
  6. Step 6: Final answer
    x = 647,683.83

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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.