Home / 1,368,624.80-1,888,625.76-756,742.16

Finding the Fourth Proportional to 1,368,624.80, 1,888,625.76 and 756,742.16

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Solution

The fourth proportional to 1,368,624.80, 1,888,625.76 and 756,742.16 is: 1,044,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,624.80 : 1,888,625.76 = 756,742.16 : x
  2. Step 2: Convert to fraction form
    1,368,624.80/1,888,625.76 = 756,742.16/x
  3. Step 3: Cross multiply
    1,368,624.80x = 1,888,625.76 × 756,742.16
  4. Step 4: Simplify right side
    1,368,624.80x = 1,429,202,737,054.04
  5. Step 5: Solve for x
    x = 1,429,202,737,054.04/1,368,624.80
  6. Step 6: Final answer
    x = 1,044,261.90

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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.