Home / 1,486,728.60-2,230,177.62-421,686.96

Finding the Fourth Proportional to 1,486,728.60, 2,230,177.62 and 421,686.96

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Solution

The fourth proportional to 1,486,728.60, 2,230,177.62 and 421,686.96 is: 632,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,728.60 : 2,230,177.62 = 421,686.96 : x
  2. Step 2: Convert to fraction form
    1,486,728.60/2,230,177.62 = 421,686.96/x
  3. Step 3: Cross multiply
    1,486,728.60x = 2,230,177.62 × 421,686.96
  4. Step 4: Simplify right side
    1,486,728.60x = 940,436,820,837.84
  5. Step 5: Solve for x
    x = 940,436,820,837.84/1,486,728.60
  6. Step 6: Final answer
    x = 632,554.47

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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.