Home / 1,129,818.77-1,559,144.90-613,568.61

Finding the Fourth Proportional to 1,129,818.77, 1,559,144.90 and 613,568.61

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Solution

The fourth proportional to 1,129,818.77, 1,559,144.90 and 613,568.61 is: 846,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,818.77 : 1,559,144.90 = 613,568.61 : x
  2. Step 2: Convert to fraction form
    1,129,818.77/1,559,144.90 = 613,568.61/x
  3. Step 3: Cross multiply
    1,129,818.77x = 1,559,144.90 × 613,568.61
  4. Step 4: Simplify right side
    1,129,818.77x = 956,642,369,081.59
  5. Step 5: Solve for x
    x = 956,642,369,081.59/1,129,818.77
  6. Step 6: Final answer
    x = 846,721.97

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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.