Home / 1,368,570.91-1,888,494.65-756,639.90

Finding the Fourth Proportional to 1,368,570.91, 1,888,494.65 and 756,639.90

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Solution

The fourth proportional to 1,368,570.91, 1,888,494.65 and 756,639.90 is: 1,044,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,570.91 : 1,888,494.65 = 756,639.90 : x
  2. Step 2: Convert to fraction form
    1,368,570.91/1,888,494.65 = 756,639.90/x
  3. Step 3: Cross multiply
    1,368,570.91x = 1,888,494.65 × 756,639.90
  4. Step 4: Simplify right side
    1,368,570.91x = 1,428,910,389,900.86
  5. Step 5: Solve for x
    x = 1,428,910,389,900.86/1,368,570.91
  6. Step 6: Final answer
    x = 1,044,089.41

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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.