Home / 1,421,871.76-1,962,184.68-818,260.24

Finding the Fourth Proportional to 1,421,871.76, 1,962,184.68 and 818,260.24

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Solution

The fourth proportional to 1,421,871.76, 1,962,184.68 and 818,260.24 is: 1,129,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,871.76 : 1,962,184.68 = 818,260.24 : x
  2. Step 2: Convert to fraction form
    1,421,871.76/1,962,184.68 = 818,260.24/x
  3. Step 3: Cross multiply
    1,421,871.76x = 1,962,184.68 × 818,260.24
  4. Step 4: Simplify right side
    1,421,871.76x = 1,605,577,707,181.12
  5. Step 5: Solve for x
    x = 1,605,577,707,181.12/1,421,871.76
  6. Step 6: Final answer
    x = 1,129,200.08

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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.