Home / 1,060,446.92-1,590,670.38-386,578.76

Finding the Fourth Proportional to 1,060,446.92, 1,590,670.38 and 386,578.76

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Solution

The fourth proportional to 1,060,446.92, 1,590,670.38 and 386,578.76 is: 579,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,446.92 : 1,590,670.38 = 386,578.76 : x
  2. Step 2: Convert to fraction form
    1,060,446.92/1,590,670.38 = 386,578.76/x
  3. Step 3: Cross multiply
    1,060,446.92x = 1,590,670.38 × 386,578.76
  4. Step 4: Simplify right side
    1,060,446.92x = 614,919,383,069.13
  5. Step 5: Solve for x
    x = 614,919,383,069.13/1,060,446.92
  6. Step 6: Final answer
    x = 579,868.14

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Double scale
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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.