Home / 1,175,614.40-1,761,088.80-642,353.60

Finding the Fourth Proportional to 1,175,614.40, 1,761,088.80 and 642,353.60

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Solution

The fourth proportional to 1,175,614.40, 1,761,088.80 and 642,353.60 is: 962,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,614.40 : 1,761,088.80 = 642,353.60 : x
  2. Step 2: Convert to fraction form
    1,175,614.40/1,761,088.80 = 642,353.60/x
  3. Step 3: Cross multiply
    1,175,614.40x = 1,761,088.80 × 642,353.60
  4. Step 4: Simplify right side
    1,175,614.40x = 1,131,241,730,599.68
  5. Step 5: Solve for x
    x = 1,131,241,730,599.68/1,175,614.40
  6. Step 6: Final answer
    x = 962,255.76

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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.