Home / 1,176,006.80-1,764,010.20-702,448.40

Finding the Fourth Proportional to 1,176,006.80, 1,764,010.20 and 702,448.40

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Solution

The fourth proportional to 1,176,006.80, 1,764,010.20 and 702,448.40 is: 1,053,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,006.80 : 1,764,010.20 = 702,448.40 : x
  2. Step 2: Convert to fraction form
    1,176,006.80/1,764,010.20 = 702,448.40/x
  3. Step 3: Cross multiply
    1,176,006.80x = 1,764,010.20 × 702,448.40
  4. Step 4: Simplify right side
    1,176,006.80x = 1,239,126,142,573.68
  5. Step 5: Solve for x
    x = 1,239,126,142,573.68/1,176,006.80
  6. Step 6: Final answer
    x = 1,053,672.60

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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.