Home / 1,478,331.30-2,217,496.95-1,021,685.70

Finding the Fourth Proportional to 1,478,331.30, 2,217,496.95 and 1,021,685.70

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Solution

The fourth proportional to 1,478,331.30, 2,217,496.95 and 1,021,685.70 is: 1,532,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,331.30 : 2,217,496.95 = 1,021,685.70 : x
  2. Step 2: Convert to fraction form
    1,478,331.30/2,217,496.95 = 1,021,685.70/x
  3. Step 3: Cross multiply
    1,478,331.30x = 2,217,496.95 × 1,021,685.70
  4. Step 4: Simplify right side
    1,478,331.30x = 2,265,584,923,608.62
  5. Step 5: Solve for x
    x = 2,265,584,923,608.62/1,478,331.30
  6. Step 6: Final answer
    x = 1,532,528.55

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Similar ratio
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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.