Home / 1,538,473.08-2,308,385.16-818,645.12

Finding the Fourth Proportional to 1,538,473.08, 2,308,385.16 and 818,645.12

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Solution

The fourth proportional to 1,538,473.08, 2,308,385.16 and 818,645.12 is: 1,228,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,473.08 : 2,308,385.16 = 818,645.12 : x
  2. Step 2: Convert to fraction form
    1,538,473.08/2,308,385.16 = 818,645.12/x
  3. Step 3: Cross multiply
    1,538,473.08x = 2,308,385.16 × 818,645.12
  4. Step 4: Simplify right side
    1,538,473.08x = 1,889,748,234,772.49
  5. Step 5: Solve for x
    x = 1,889,748,234,772.49/1,538,473.08
  6. Step 6: Final answer
    x = 1,228,327.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.