Home / 1,363,639.88-1,881,406.03-790,565.69

Finding the Fourth Proportional to 1,363,639.88, 1,881,406.03 and 790,565.69

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Solution

The fourth proportional to 1,363,639.88, 1,881,406.03 and 790,565.69 is: 1,090,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,639.88 : 1,881,406.03 = 790,565.69 : x
  2. Step 2: Convert to fraction form
    1,363,639.88/1,881,406.03 = 790,565.69/x
  3. Step 3: Cross multiply
    1,363,639.88x = 1,881,406.03 × 790,565.69
  4. Step 4: Simplify right side
    1,363,639.88x = 1,487,375,056,277.11
  5. Step 5: Solve for x
    x = 1,487,375,056,277.11/1,363,639.88
  6. Step 6: Final answer
    x = 1,090,738.90

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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.