Home / 1,158,675.70-1,738,013.55-661,011.70

Finding the Fourth Proportional to 1,158,675.70, 1,738,013.55 and 661,011.70

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Solution

The fourth proportional to 1,158,675.70, 1,738,013.55 and 661,011.70 is: 991,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,675.70 : 1,738,013.55 = 661,011.70 : x
  2. Step 2: Convert to fraction form
    1,158,675.70/1,738,013.55 = 661,011.70/x
  3. Step 3: Cross multiply
    1,158,675.70x = 1,738,013.55 × 661,011.70
  4. Step 4: Simplify right side
    1,158,675.70x = 1,148,847,291,308.53
  5. Step 5: Solve for x
    x = 1,148,847,291,308.53/1,158,675.70
  6. Step 6: Final answer
    x = 991,517.55

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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.