Home / 1,146,917.70-1,720,376.55-866,981.70

Finding the Fourth Proportional to 1,146,917.70, 1,720,376.55 and 866,981.70

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Solution

The fourth proportional to 1,146,917.70, 1,720,376.55 and 866,981.70 is: 1,300,472.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,917.70 : 1,720,376.55 = 866,981.70 : x
  2. Step 2: Convert to fraction form
    1,146,917.70/1,720,376.55 = 866,981.70/x
  3. Step 3: Cross multiply
    1,146,917.70x = 1,720,376.55 × 866,981.70
  4. Step 4: Simplify right side
    1,146,917.70x = 1,491,534,985,959.14
  5. Step 5: Solve for x
    x = 1,491,534,985,959.14/1,146,917.70
  6. Step 6: Final answer
    x = 1,300,472.55

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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.