Home / 1,225,232.28-1,690,572.78-715,836.24

Finding the Fourth Proportional to 1,225,232.28, 1,690,572.78 and 715,836.24

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Solution

The fourth proportional to 1,225,232.28, 1,690,572.78 and 715,836.24 is: 987,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,232.28 : 1,690,572.78 = 715,836.24 : x
  2. Step 2: Convert to fraction form
    1,225,232.28/1,690,572.78 = 715,836.24/x
  3. Step 3: Cross multiply
    1,225,232.28x = 1,690,572.78 × 715,836.24
  4. Step 4: Simplify right side
    1,225,232.28x = 1,210,173,262,281.55
  5. Step 5: Solve for x
    x = 1,210,173,262,281.55/1,225,232.28
  6. Step 6: Final answer
    x = 987,709.25

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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.