Home / 1,247,972.08-1,872,191.32-500,076.40

Finding the Fourth Proportional to 1,247,972.08, 1,872,191.32 and 500,076.40

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Solution

The fourth proportional to 1,247,972.08, 1,872,191.32 and 500,076.40 is: 750,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,972.08 : 1,872,191.32 = 500,076.40 : x
  2. Step 2: Convert to fraction form
    1,247,972.08/1,872,191.32 = 500,076.40/x
  3. Step 3: Cross multiply
    1,247,972.08x = 1,872,191.32 × 500,076.40
  4. Step 4: Simplify right side
    1,247,972.08x = 936,238,695,416.85
  5. Step 5: Solve for x
    x = 936,238,695,416.85/1,247,972.08
  6. Step 6: Final answer
    x = 750,208.05

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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.