Home / 1,000,665.54-1,380,919.02-541,780.20

Finding the Fourth Proportional to 1,000,665.54, 1,380,919.02 and 541,780.20

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Solution

The fourth proportional to 1,000,665.54, 1,380,919.02 and 541,780.20 is: 747,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,665.54 : 1,380,919.02 = 541,780.20 : x
  2. Step 2: Convert to fraction form
    1,000,665.54/1,380,919.02 = 541,780.20/x
  3. Step 3: Cross multiply
    1,000,665.54x = 1,380,919.02 × 541,780.20
  4. Step 4: Simplify right side
    1,000,665.54x = 748,154,582,839.40
  5. Step 5: Solve for x
    x = 748,154,582,839.40/1,000,665.54
  6. Step 6: Final answer
    x = 747,656.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.