Home / 1,107,332.70-1,660,999.05-930,185.70

Finding the Fourth Proportional to 1,107,332.70, 1,660,999.05 and 930,185.70

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Solution

The fourth proportional to 1,107,332.70, 1,660,999.05 and 930,185.70 is: 1,395,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,332.70 : 1,660,999.05 = 930,185.70 : x
  2. Step 2: Convert to fraction form
    1,107,332.70/1,660,999.05 = 930,185.70/x
  3. Step 3: Cross multiply
    1,107,332.70x = 1,660,999.05 × 930,185.70
  4. Step 4: Simplify right side
    1,107,332.70x = 1,545,037,564,023.59
  5. Step 5: Solve for x
    x = 1,545,037,564,023.59/1,107,332.70
  6. Step 6: Final answer
    x = 1,395,278.55

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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.