Home / 1,026,842.82-1,416,609.18-687,420.42

Finding the Fourth Proportional to 1,026,842.82, 1,416,609.18 and 687,420.42

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Solution

The fourth proportional to 1,026,842.82, 1,416,609.18 and 687,420.42 is: 948,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,842.82 : 1,416,609.18 = 687,420.42 : x
  2. Step 2: Convert to fraction form
    1,026,842.82/1,416,609.18 = 687,420.42/x
  3. Step 3: Cross multiply
    1,026,842.82x = 1,416,609.18 × 687,420.42
  4. Step 4: Simplify right side
    1,026,842.82x = 973,806,077,491.46
  5. Step 5: Solve for x
    x = 973,806,077,491.46/1,026,842.82
  6. Step 6: Final answer
    x = 948,349.70

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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.