Home / 1,341,213.20-2,011,128.60-499,331.60

Finding the Fourth Proportional to 1,341,213.20, 2,011,128.60 and 499,331.60

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Solution

The fourth proportional to 1,341,213.20, 2,011,128.60 and 499,331.60 is: 748,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,213.20 : 2,011,128.60 = 499,331.60 : x
  2. Step 2: Convert to fraction form
    1,341,213.20/2,011,128.60 = 499,331.60/x
  3. Step 3: Cross multiply
    1,341,213.20x = 2,011,128.60 × 499,331.60
  4. Step 4: Simplify right side
    1,341,213.20x = 1,004,220,061,643.76
  5. Step 5: Solve for x
    x = 1,004,220,061,643.76/1,341,213.20
  6. Step 6: Final answer
    x = 748,740.07

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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.