Home / 1,180,484.80-1,767,061.87-639,397.24

Finding the Fourth Proportional to 1,180,484.80, 1,767,061.87 and 639,397.24

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Solution

The fourth proportional to 1,180,484.80, 1,767,061.87 and 639,397.24 is: 957,110.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,484.80 : 1,767,061.87 = 639,397.24 : x
  2. Step 2: Convert to fraction form
    1,180,484.80/1,767,061.87 = 639,397.24/x
  3. Step 3: Cross multiply
    1,180,484.80x = 1,767,061.87 × 639,397.24
  4. Step 4: Simplify right side
    1,180,484.80x = 1,129,854,482,587.24
  5. Step 5: Solve for x
    x = 1,129,854,482,587.24/1,180,484.80
  6. Step 6: Final answer
    x = 957,110.57

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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.