Home / 1,490,930.94-2,234,327.36-679,331.92

Finding the Fourth Proportional to 1,490,930.94, 2,234,327.36 and 679,331.92

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Solution

The fourth proportional to 1,490,930.94, 2,234,327.36 and 679,331.92 is: 1,018,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,930.94 : 2,234,327.36 = 679,331.92 : x
  2. Step 2: Convert to fraction form
    1,490,930.94/2,234,327.36 = 679,331.92/x
  3. Step 3: Cross multiply
    1,490,930.94x = 2,234,327.36 × 679,331.92
  4. Step 4: Simplify right side
    1,490,930.94x = 1,517,849,891,489.84
  5. Step 5: Solve for x
    x = 1,517,849,891,489.84/1,490,930.94
  6. Step 6: Final answer
    x = 1,018,055.13

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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.