Home / 1,145,120.20-1,580,117.14-635,724.16

Finding the Fourth Proportional to 1,145,120.20, 1,580,117.14 and 635,724.16

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Solution

The fourth proportional to 1,145,120.20, 1,580,117.14 and 635,724.16 is: 877,216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,120.20 : 1,580,117.14 = 635,724.16 : x
  2. Step 2: Convert to fraction form
    1,145,120.20/1,580,117.14 = 635,724.16/x
  3. Step 3: Cross multiply
    1,145,120.20x = 1,580,117.14 × 635,724.16
  4. Step 4: Simplify right side
    1,145,120.20x = 1,004,518,641,528.10
  5. Step 5: Solve for x
    x = 1,004,518,641,528.10/1,145,120.20
  6. Step 6: Final answer
    x = 877,216.77

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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.