Home / 1,512,557.40-2,268,836.10-977,179.80

Finding the Fourth Proportional to 1,512,557.40, 2,268,836.10 and 977,179.80

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Solution

The fourth proportional to 1,512,557.40, 2,268,836.10 and 977,179.80 is: 1,465,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,557.40 : 2,268,836.10 = 977,179.80 : x
  2. Step 2: Convert to fraction form
    1,512,557.40/2,268,836.10 = 977,179.80/x
  3. Step 3: Cross multiply
    1,512,557.40x = 2,268,836.10 × 977,179.80
  4. Step 4: Simplify right side
    1,512,557.40x = 2,217,060,806,430.78
  5. Step 5: Solve for x
    x = 2,217,060,806,430.78/1,512,557.40
  6. Step 6: Final answer
    x = 1,465,769.70

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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.