Home / 1,039,279.60-1,559,138.10-329,379.40

Finding the Fourth Proportional to 1,039,279.60, 1,559,138.10 and 329,379.40

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Solution

The fourth proportional to 1,039,279.60, 1,559,138.10 and 329,379.40 is: 494,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,279.60 : 1,559,138.10 = 329,379.40 : x
  2. Step 2: Convert to fraction form
    1,039,279.60/1,559,138.10 = 329,379.40/x
  3. Step 3: Cross multiply
    1,039,279.60x = 1,559,138.10 × 329,379.40
  4. Step 4: Simplify right side
    1,039,279.60x = 513,547,971,895.14
  5. Step 5: Solve for x
    x = 513,547,971,895.14/1,039,279.60
  6. Step 6: Final answer
    x = 494,138.41

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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.