Home / 1,176,008.40-1,764,012.60-427,957.20

Finding the Fourth Proportional to 1,176,008.40, 1,764,012.60 and 427,957.20

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Solution

The fourth proportional to 1,176,008.40, 1,764,012.60 and 427,957.20 is: 641,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,008.40 : 1,764,012.60 = 427,957.20 : x
  2. Step 2: Convert to fraction form
    1,176,008.40/1,764,012.60 = 427,957.20/x
  3. Step 3: Cross multiply
    1,176,008.40x = 1,764,012.60 × 427,957.20
  4. Step 4: Simplify right side
    1,176,008.40x = 754,921,893,060.72
  5. Step 5: Solve for x
    x = 754,921,893,060.72/1,176,008.40
  6. Step 6: Final answer
    x = 641,935.80

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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.