Home / 1,129,819.77-1,559,146.28-613,569.61

Finding the Fourth Proportional to 1,129,819.77, 1,559,146.28 and 613,569.61

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Solution

The fourth proportional to 1,129,819.77, 1,559,146.28 and 613,569.61 is: 846,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,819.77 : 1,559,146.28 = 613,569.61 : x
  2. Step 2: Convert to fraction form
    1,129,819.77/1,559,146.28 = 613,569.61/x
  3. Step 3: Cross multiply
    1,129,819.77x = 1,559,146.28 × 613,569.61
  4. Step 4: Simplify right side
    1,129,819.77x = 956,644,774,952.55
  5. Step 5: Solve for x
    x = 956,644,774,952.55/1,129,819.77
  6. Step 6: Final answer
    x = 846,723.35

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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.