Home / 1,125,480.62-1,688,359.72-367,119.32

Finding the Fourth Proportional to 1,125,480.62, 1,688,359.72 and 367,119.32

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Solution

The fourth proportional to 1,125,480.62, 1,688,359.72 and 367,119.32 is: 550,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,480.62 : 1,688,359.72 = 367,119.32 : x
  2. Step 2: Convert to fraction form
    1,125,480.62/1,688,359.72 = 367,119.32/x
  3. Step 3: Cross multiply
    1,125,480.62x = 1,688,359.72 × 367,119.32
  4. Step 4: Simplify right side
    1,125,480.62x = 619,829,472,321.79
  5. Step 5: Solve for x
    x = 619,829,472,321.79/1,125,480.62
  6. Step 6: Final answer
    x = 550,724.25

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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.