Home / 1,368,780.12-1,888,841.16-756,897.48

Finding the Fourth Proportional to 1,368,780.12, 1,888,841.16 and 756,897.48

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Solution

The fourth proportional to 1,368,780.12, 1,888,841.16 and 756,897.48 is: 1,044,476.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,780.12 : 1,888,841.16 = 756,897.48 : x
  2. Step 2: Convert to fraction form
    1,368,780.12/1,888,841.16 = 756,897.48/x
  3. Step 3: Cross multiply
    1,368,780.12x = 1,888,841.16 × 756,897.48
  4. Step 4: Simplify right side
    1,368,780.12x = 1,429,659,114,124.28
  5. Step 5: Solve for x
    x = 1,429,659,114,124.28/1,368,780.12
  6. Step 6: Final answer
    x = 1,044,476.83

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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.