Home / 1,425,566.80-2,138,926.20-627,000.40

Finding the Fourth Proportional to 1,425,566.80, 2,138,926.20 and 627,000.40

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Solution

The fourth proportional to 1,425,566.80, 2,138,926.20 and 627,000.40 is: 940,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,566.80 : 2,138,926.20 = 627,000.40 : x
  2. Step 2: Convert to fraction form
    1,425,566.80/2,138,926.20 = 627,000.40/x
  3. Step 3: Cross multiply
    1,425,566.80x = 2,138,926.20 × 627,000.40
  4. Step 4: Simplify right side
    1,425,566.80x = 1,341,107,582,970.48
  5. Step 5: Solve for x
    x = 1,341,107,582,970.48/1,425,566.80
  6. Step 6: Final answer
    x = 940,753.94

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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.