Home / 1,213,998.30-1,822,379.85-715,643.10

Finding the Fourth Proportional to 1,213,998.30, 1,822,379.85 and 715,643.10

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Solution

The fourth proportional to 1,213,998.30, 1,822,379.85 and 715,643.10 is: 1,074,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,998.30 : 1,822,379.85 = 715,643.10 : x
  2. Step 2: Convert to fraction form
    1,213,998.30/1,822,379.85 = 715,643.10/x
  3. Step 3: Cross multiply
    1,213,998.30x = 1,822,379.85 × 715,643.10
  4. Step 4: Simplify right side
    1,213,998.30x = 1,304,173,565,231.53
  5. Step 5: Solve for x
    x = 1,304,173,565,231.53/1,213,998.30
  6. Step 6: Final answer
    x = 1,074,279.56

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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.