Home / 1,368,732.55-1,888,863.15-756,926.49

Finding the Fourth Proportional to 1,368,732.55, 1,888,863.15 and 756,926.49

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Solution

The fourth proportional to 1,368,732.55, 1,888,863.15 and 756,926.49 is: 1,044,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,732.55 : 1,888,863.15 = 756,926.49 : x
  2. Step 2: Convert to fraction form
    1,368,732.55/1,888,863.15 = 756,926.49/x
  3. Step 3: Cross multiply
    1,368,732.55x = 1,888,863.15 × 756,926.49
  4. Step 4: Simplify right side
    1,368,732.55x = 1,429,730,554,219.84
  5. Step 5: Solve for x
    x = 1,429,730,554,219.84/1,368,732.55
  6. Step 6: Final answer
    x = 1,044,565.32

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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.