Home / 1,059,135.17-1,587,809.88-459,644.76

Finding the Fourth Proportional to 1,059,135.17, 1,587,809.88 and 459,644.76

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Solution

The fourth proportional to 1,059,135.17, 1,587,809.88 and 459,644.76 is: 689,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,135.17 : 1,587,809.88 = 459,644.76 : x
  2. Step 2: Convert to fraction form
    1,059,135.17/1,587,809.88 = 459,644.76/x
  3. Step 3: Cross multiply
    1,059,135.17x = 1,587,809.88 × 459,644.76
  4. Step 4: Simplify right side
    1,059,135.17x = 729,828,491,218.23
  5. Step 5: Solve for x
    x = 729,828,491,218.23/1,059,135.17
  6. Step 6: Final answer
    x = 689,079.65

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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.