Home / 915,178.70-1,262,519.42-575,834.06

Finding the Fourth Proportional to 915,178.70, 1,262,519.42 and 575,834.06

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Solution

The fourth proportional to 915,178.70, 1,262,519.42 and 575,834.06 is: 794,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,178.70 : 1,262,519.42 = 575,834.06 : x
  2. Step 2: Convert to fraction form
    915,178.70/1,262,519.42 = 575,834.06/x
  3. Step 3: Cross multiply
    915,178.70x = 1,262,519.42 × 575,834.06
  4. Step 4: Simplify right side
    915,178.70x = 727,001,683,447.45
  5. Step 5: Solve for x
    x = 727,001,683,447.45/915,178.70
  6. Step 6: Final answer
    x = 794,382.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.