Home / 1,343,545.38-1,853,955.54-827,217.36

Finding the Fourth Proportional to 1,343,545.38, 1,853,955.54 and 827,217.36

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Solution

The fourth proportional to 1,343,545.38, 1,853,955.54 and 827,217.36 is: 1,141,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,545.38 : 1,853,955.54 = 827,217.36 : x
  2. Step 2: Convert to fraction form
    1,343,545.38/1,853,955.54 = 827,217.36/x
  3. Step 3: Cross multiply
    1,343,545.38x = 1,853,955.54 × 827,217.36
  4. Step 4: Simplify right side
    1,343,545.38x = 1,533,624,207,356.17
  5. Step 5: Solve for x
    x = 1,533,624,207,356.17/1,343,545.38
  6. Step 6: Final answer
    x = 1,141,475.55

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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.