Home / 1,176,005.40-1,761,675.30-642,744.60

Finding the Fourth Proportional to 1,176,005.40, 1,761,675.30 and 642,744.60

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Solution

The fourth proportional to 1,176,005.40, 1,761,675.30 and 642,744.60 is: 962,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,005.40 : 1,761,675.30 = 642,744.60 : x
  2. Step 2: Convert to fraction form
    1,176,005.40/1,761,675.30 = 642,744.60/x
  3. Step 3: Cross multiply
    1,176,005.40x = 1,761,675.30 × 642,744.60
  4. Step 4: Simplify right side
    1,176,005.40x = 1,132,307,286,028.38
  5. Step 5: Solve for x
    x = 1,132,307,286,028.38/1,176,005.40
  6. Step 6: Final answer
    x = 962,841.91

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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.