Home / 1,039,386.19-1,559,082.89-319,723.03

Finding the Fourth Proportional to 1,039,386.19, 1,559,082.89 and 319,723.03

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Solution

The fourth proportional to 1,039,386.19, 1,559,082.89 and 319,723.03 is: 479,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,386.19 : 1,559,082.89 = 319,723.03 : x
  2. Step 2: Convert to fraction form
    1,039,386.19/1,559,082.89 = 319,723.03/x
  3. Step 3: Cross multiply
    1,039,386.19x = 1,559,082.89 × 319,723.03
  4. Step 4: Simplify right side
    1,039,386.19x = 498,474,705,611.96
  5. Step 5: Solve for x
    x = 498,474,705,611.96/1,039,386.19
  6. Step 6: Final answer
    x = 479,585.65

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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.