Home / 1,368,599.52-1,888,611.12-756,713.28

Finding the Fourth Proportional to 1,368,599.52, 1,888,611.12 and 756,713.28

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Solution

The fourth proportional to 1,368,599.52, 1,888,611.12 and 756,713.28 is: 1,044,233.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,599.52 : 1,888,611.12 = 756,713.28 : x
  2. Step 2: Convert to fraction form
    1,368,599.52/1,888,611.12 = 756,713.28/x
  3. Step 3: Cross multiply
    1,368,599.52x = 1,888,611.12 × 756,713.28
  4. Step 4: Simplify right side
    1,368,599.52x = 1,429,137,115,259.67
  5. Step 5: Solve for x
    x = 1,429,137,115,259.67/1,368,599.52
  6. Step 6: Final answer
    x = 1,044,233.24

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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.