Home / 702,921.20-1,054,381.80-668,514.80

Finding the Fourth Proportional to 702,921.20, 1,054,381.80 and 668,514.80

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Solution

The fourth proportional to 702,921.20, 1,054,381.80 and 668,514.80 is: 1,002,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,921.20 : 1,054,381.80 = 668,514.80 : x
  2. Step 2: Convert to fraction form
    702,921.20/1,054,381.80 = 668,514.80/x
  3. Step 3: Cross multiply
    702,921.20x = 1,054,381.80 × 668,514.80
  4. Step 4: Simplify right side
    702,921.20x = 704,869,838,150.64
  5. Step 5: Solve for x
    x = 704,869,838,150.64/702,921.20
  6. Step 6: Final answer
    x = 1,002,772.20

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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.