Home / 1,039,387.19-1,559,084.39-319,724.03

Finding the Fourth Proportional to 1,039,387.19, 1,559,084.39 and 319,724.03

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Solution

The fourth proportional to 1,039,387.19, 1,559,084.39 and 319,724.03 is: 479,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,387.19 : 1,559,084.39 = 319,724.03 : x
  2. Step 2: Convert to fraction form
    1,039,387.19/1,559,084.39 = 319,724.03/x
  3. Step 3: Cross multiply
    1,039,387.19x = 1,559,084.39 × 319,724.03
  4. Step 4: Simplify right side
    1,039,387.19x = 498,476,744,280.89
  5. Step 5: Solve for x
    x = 498,476,744,280.89/1,039,387.19
  6. Step 6: Final answer
    x = 479,587.15

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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.