Home / 1,363,287.96-1,881,116.12-790,216.20

Finding the Fourth Proportional to 1,363,287.96, 1,881,116.12 and 790,216.20

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Solution

The fourth proportional to 1,363,287.96, 1,881,116.12 and 790,216.20 is: 1,090,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,287.96 : 1,881,116.12 = 790,216.20 : x
  2. Step 2: Convert to fraction form
    1,363,287.96/1,881,116.12 = 790,216.20/x
  3. Step 3: Cross multiply
    1,363,287.96x = 1,881,116.12 × 790,216.20
  4. Step 4: Simplify right side
    1,363,287.96x = 1,486,488,432,105.14
  5. Step 5: Solve for x
    x = 1,486,488,432,105.14/1,363,287.96
  6. Step 6: Final answer
    x = 1,090,370.10

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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.