Home / 1,368,443.76-1,888,376.13-756,560.88

Finding the Fourth Proportional to 1,368,443.76, 1,888,376.13 and 756,560.88

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Solution

The fourth proportional to 1,368,443.76, 1,888,376.13 and 756,560.88 is: 1,044,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,443.76 : 1,888,376.13 = 756,560.88 : x
  2. Step 2: Convert to fraction form
    1,368,443.76/1,888,376.13 = 756,560.88/x
  3. Step 3: Cross multiply
    1,368,443.76x = 1,888,376.13 × 756,560.88
  4. Step 4: Simplify right side
    1,368,443.76x = 1,428,671,506,683.79
  5. Step 5: Solve for x
    x = 1,428,671,506,683.79/1,368,443.76
  6. Step 6: Final answer
    x = 1,044,011.85

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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.