Home / 1,490,459.32-2,057,102.12-878,575.76

Finding the Fourth Proportional to 1,490,459.32, 2,057,102.12 and 878,575.76

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Solution

The fourth proportional to 1,490,459.32, 2,057,102.12 and 878,575.76 is: 1,212,592.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,459.32 : 2,057,102.12 = 878,575.76 : x
  2. Step 2: Convert to fraction form
    1,490,459.32/2,057,102.12 = 878,575.76/x
  3. Step 3: Cross multiply
    1,490,459.32x = 2,057,102.12 × 878,575.76
  4. Step 4: Simplify right side
    1,490,459.32x = 1,807,320,058,476.61
  5. Step 5: Solve for x
    x = 1,807,320,058,476.61/1,490,459.32
  6. Step 6: Final answer
    x = 1,212,592.68

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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.