Home / 1,284,082.52-1,769,180.64-847,722.71

Finding the Fourth Proportional to 1,284,082.52, 1,769,180.64 and 847,722.71

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Solution

The fourth proportional to 1,284,082.52, 1,769,180.64 and 847,722.71 is: 1,167,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,082.52 : 1,769,180.64 = 847,722.71 : x
  2. Step 2: Convert to fraction form
    1,284,082.52/1,769,180.64 = 847,722.71/x
  3. Step 3: Cross multiply
    1,284,082.52x = 1,769,180.64 × 847,722.71
  4. Step 4: Simplify right side
    1,284,082.52x = 1,499,774,607,864.33
  5. Step 5: Solve for x
    x = 1,499,774,607,864.33/1,284,082.52
  6. Step 6: Final answer
    x = 1,167,973.70

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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.