Home / 1,506,453.84-2,078,899.20-818,120.88

Finding the Fourth Proportional to 1,506,453.84, 2,078,899.20 and 818,120.88

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Solution

The fourth proportional to 1,506,453.84, 2,078,899.20 and 818,120.88 is: 1,129,002.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,453.84 : 2,078,899.20 = 818,120.88 : x
  2. Step 2: Convert to fraction form
    1,506,453.84/2,078,899.20 = 818,120.88/x
  3. Step 3: Cross multiply
    1,506,453.84x = 2,078,899.20 × 818,120.88
  4. Step 4: Simplify right side
    1,506,453.84x = 1,700,790,842,935.30
  5. Step 5: Solve for x
    x = 1,700,790,842,935.30/1,506,453.84
  6. Step 6: Final answer
    x = 1,129,002.96

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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.