Home / 1,331,001.12-1,996,282.88-477,896.16

Finding the Fourth Proportional to 1,331,001.12, 1,996,282.88 and 477,896.16

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Solution

The fourth proportional to 1,331,001.12, 1,996,282.88 and 477,896.16 is: 716,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,001.12 : 1,996,282.88 = 477,896.16 : x
  2. Step 2: Convert to fraction form
    1,331,001.12/1,996,282.88 = 477,896.16/x
  3. Step 3: Cross multiply
    1,331,001.12x = 1,996,282.88 × 477,896.16
  4. Step 4: Simplify right side
    1,331,001.12x = 954,015,922,625.74
  5. Step 5: Solve for x
    x = 954,015,922,625.74/1,331,001.12
  6. Step 6: Final answer
    x = 716,765.68

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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.