Home / 1,175,076.80-1,762,615.20-775,624.13

Finding the Fourth Proportional to 1,175,076.80, 1,762,615.20 and 775,624.13

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Solution

The fourth proportional to 1,175,076.80, 1,762,615.20 and 775,624.13 is: 1,163,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,076.80 : 1,762,615.20 = 775,624.13 : x
  2. Step 2: Convert to fraction form
    1,175,076.80/1,762,615.20 = 775,624.13/x
  3. Step 3: Cross multiply
    1,175,076.80x = 1,762,615.20 × 775,624.13
  4. Step 4: Simplify right side
    1,175,076.80x = 1,367,126,881,024.78
  5. Step 5: Solve for x
    x = 1,367,126,881,024.78/1,175,076.80
  6. Step 6: Final answer
    x = 1,163,436.20

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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.