Home / 1,022,314.86-1,409,966.30-899,542.14

Finding the Fourth Proportional to 1,022,314.86, 1,409,966.30 and 899,542.14

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Solution

The fourth proportional to 1,022,314.86, 1,409,966.30 and 899,542.14 is: 1,240,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,314.86 : 1,409,966.30 = 899,542.14 : x
  2. Step 2: Convert to fraction form
    1,022,314.86/1,409,966.30 = 899,542.14/x
  3. Step 3: Cross multiply
    1,022,314.86x = 1,409,966.30 × 899,542.14
  4. Step 4: Simplify right side
    1,022,314.86x = 1,268,324,098,332.17
  5. Step 5: Solve for x
    x = 1,268,324,098,332.17/1,022,314.86
  6. Step 6: Final answer
    x = 1,240,639.40

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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.