Home / 1,004,291.25-1,386,346.03-678,046.20

Finding the Fourth Proportional to 1,004,291.25, 1,386,346.03 and 678,046.20

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Solution

The fourth proportional to 1,004,291.25, 1,386,346.03 and 678,046.20 is: 935,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,291.25 : 1,386,346.03 = 678,046.20 : x
  2. Step 2: Convert to fraction form
    1,004,291.25/1,386,346.03 = 678,046.20/x
  3. Step 3: Cross multiply
    1,004,291.25x = 1,386,346.03 × 678,046.20
  4. Step 4: Simplify right side
    1,004,291.25x = 940,006,662,687.57
  5. Step 5: Solve for x
    x = 940,006,662,687.57/1,004,291.25
  6. Step 6: Final answer
    x = 935,990.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.