Home / 1,056,712.88-1,585,121.16-425,541.44

Finding the Fourth Proportional to 1,056,712.88, 1,585,121.16 and 425,541.44

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Solution

The fourth proportional to 1,056,712.88, 1,585,121.16 and 425,541.44 is: 638,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,712.88 : 1,585,121.16 = 425,541.44 : x
  2. Step 2: Convert to fraction form
    1,056,712.88/1,585,121.16 = 425,541.44/x
  3. Step 3: Cross multiply
    1,056,712.88x = 1,585,121.16 × 425,541.44
  4. Step 4: Simplify right side
    1,056,712.88x = 674,534,741,000.87
  5. Step 5: Solve for x
    x = 674,534,741,000.87/1,056,712.88
  6. Step 6: Final answer
    x = 638,333.04

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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.