Home / 1,480,108.89-2,221,049.04-638,660.64

Finding the Fourth Proportional to 1,480,108.89, 2,221,049.04 and 638,660.64

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Solution

The fourth proportional to 1,480,108.89, 2,221,049.04 and 638,660.64 is: 958,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,108.89 : 2,221,049.04 = 638,660.64 : x
  2. Step 2: Convert to fraction form
    1,480,108.89/2,221,049.04 = 638,660.64/x
  3. Step 3: Cross multiply
    1,480,108.89x = 2,221,049.04 × 638,660.64
  4. Step 4: Simplify right side
    1,480,108.89x = 1,418,496,601,357.79
  5. Step 5: Solve for x
    x = 1,418,496,601,357.79/1,480,108.89
  6. Step 6: Final answer
    x = 958,373.14

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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.