Home / 1,199,502.38-1,799,569.04-431,077.69

Finding the Fourth Proportional to 1,199,502.38, 1,799,569.04 and 431,077.69

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Solution

The fourth proportional to 1,199,502.38, 1,799,569.04 and 431,077.69 is: 646,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,502.38 : 1,799,569.04 = 431,077.69 : x
  2. Step 2: Convert to fraction form
    1,199,502.38/1,799,569.04 = 431,077.69/x
  3. Step 3: Cross multiply
    1,199,502.38x = 1,799,569.04 × 431,077.69
  4. Step 4: Simplify right side
    1,199,502.38x = 775,754,064,852.79
  5. Step 5: Solve for x
    x = 775,754,064,852.79/1,199,502.38
  6. Step 6: Final answer
    x = 646,729.91

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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.