Home / 1,320,881.76-1,981,301.40-522,170.76

Finding the Fourth Proportional to 1,320,881.76, 1,981,301.40 and 522,170.76

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Solution

The fourth proportional to 1,320,881.76, 1,981,301.40 and 522,170.76 is: 783,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,881.76 : 1,981,301.40 = 522,170.76 : x
  2. Step 2: Convert to fraction form
    1,320,881.76/1,981,301.40 = 522,170.76/x
  3. Step 3: Cross multiply
    1,320,881.76x = 1,981,301.40 × 522,170.76
  4. Step 4: Simplify right side
    1,320,881.76x = 1,034,577,657,827.06
  5. Step 5: Solve for x
    x = 1,034,577,657,827.06/1,320,881.76
  6. Step 6: Final answer
    x = 783,247.74

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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.