Home / 889,240.80-1,333,861.20-784,264.80

Finding the Fourth Proportional to 889,240.80, 1,333,861.20 and 784,264.80

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Solution

The fourth proportional to 889,240.80, 1,333,861.20 and 784,264.80 is: 1,176,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,240.80 : 1,333,861.20 = 784,264.80 : x
  2. Step 2: Convert to fraction form
    889,240.80/1,333,861.20 = 784,264.80/x
  3. Step 3: Cross multiply
    889,240.80x = 1,333,861.20 × 784,264.80
  4. Step 4: Simplify right side
    889,240.80x = 1,046,100,387,245.76
  5. Step 5: Solve for x
    x = 1,046,100,387,245.76/889,240.80
  6. Step 6: Final answer
    x = 1,176,397.20

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Similar ratio
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1.5x scale

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.