Home / 1,038,379.32-1,557,733.68-439,344.96

Finding the Fourth Proportional to 1,038,379.32, 1,557,733.68 and 439,344.96

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Solution

The fourth proportional to 1,038,379.32, 1,557,733.68 and 439,344.96 is: 659,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,379.32 : 1,557,733.68 = 439,344.96 : x
  2. Step 2: Convert to fraction form
    1,038,379.32/1,557,733.68 = 439,344.96/x
  3. Step 3: Cross multiply
    1,038,379.32x = 1,557,733.68 × 439,344.96
  4. Step 4: Simplify right side
    1,038,379.32x = 684,382,441,330.25
  5. Step 5: Solve for x
    x = 684,382,441,330.25/1,038,379.32
  6. Step 6: Final answer
    x = 659,087.13

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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.