Home / 1,363,251.82-1,881,176.86-790,328.90

Finding the Fourth Proportional to 1,363,251.82, 1,881,176.86 and 790,328.90

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Solution

The fourth proportional to 1,363,251.82, 1,881,176.86 and 790,328.90 is: 1,090,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,251.82 : 1,881,176.86 = 790,328.90 : x
  2. Step 2: Convert to fraction form
    1,363,251.82/1,881,176.86 = 790,328.90/x
  3. Step 3: Cross multiply
    1,363,251.82x = 1,881,176.86 × 790,328.90
  4. Step 4: Simplify right side
    1,363,251.82x = 1,486,748,429,132.89
  5. Step 5: Solve for x
    x = 1,486,748,429,132.89/1,363,251.82
  6. Step 6: Final answer
    x = 1,090,589.73

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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.