Home / 1,025,371.20-1,538,056.80-547,074.30

Finding the Fourth Proportional to 1,025,371.20, 1,538,056.80 and 547,074.30

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Solution

The fourth proportional to 1,025,371.20, 1,538,056.80 and 547,074.30 is: 820,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,371.20 : 1,538,056.80 = 547,074.30 : x
  2. Step 2: Convert to fraction form
    1,025,371.20/1,538,056.80 = 547,074.30/x
  3. Step 3: Cross multiply
    1,025,371.20x = 1,538,056.80 × 547,074.30
  4. Step 4: Simplify right side
    1,025,371.20x = 841,431,347,220.24
  5. Step 5: Solve for x
    x = 841,431,347,220.24/1,025,371.20
  6. Step 6: Final answer
    x = 820,611.45

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Double scale
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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.