Home / 1,152,022.65-1,728,805.26-478,104.53

Finding the Fourth Proportional to 1,152,022.65, 1,728,805.26 and 478,104.53

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Solution

The fourth proportional to 1,152,022.65, 1,728,805.26 and 478,104.53 is: 717,476.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,022.65 : 1,728,805.26 = 478,104.53 : x
  2. Step 2: Convert to fraction form
    1,152,022.65/1,728,805.26 = 478,104.53/x
  3. Step 3: Cross multiply
    1,152,022.65x = 1,728,805.26 × 478,104.53
  4. Step 4: Simplify right side
    1,152,022.65x = 826,549,617,649.80
  5. Step 5: Solve for x
    x = 826,549,617,649.80/1,152,022.65
  6. Step 6: Final answer
    x = 717,476.88

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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.