Home / 1,225,655.45-1,838,778.43-384,207.20

Finding the Fourth Proportional to 1,225,655.45, 1,838,778.43 and 384,207.20

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Solution

The fourth proportional to 1,225,655.45, 1,838,778.43 and 384,207.20 is: 576,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,655.45 : 1,838,778.43 = 384,207.20 : x
  2. Step 2: Convert to fraction form
    1,225,655.45/1,838,778.43 = 384,207.20/x
  3. Step 3: Cross multiply
    1,225,655.45x = 1,838,778.43 × 384,207.20
  4. Step 4: Simplify right side
    1,225,655.45x = 706,471,912,010.70
  5. Step 5: Solve for x
    x = 706,471,912,010.70/1,225,655.45
  6. Step 6: Final answer
    x = 576,403.35

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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.