Home / 2,428,000.40-3,642,000.60-744,885.20

Finding the Fourth Proportional to 2,428,000.40, 3,642,000.60 and 744,885.20

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Solution

The fourth proportional to 2,428,000.40, 3,642,000.60 and 744,885.20 is: 1,117,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,000.40 : 3,642,000.60 = 744,885.20 : x
  2. Step 2: Convert to fraction form
    2,428,000.40/3,642,000.60 = 744,885.20/x
  3. Step 3: Cross multiply
    2,428,000.40x = 3,642,000.60 × 744,885.20
  4. Step 4: Simplify right side
    2,428,000.40x = 2,712,872,345,331.12
  5. Step 5: Solve for x
    x = 2,712,872,345,331.12/2,428,000.40
  6. Step 6: Final answer
    x = 1,117,327.80

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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.