Home / 1,456,282.78-2,184,422.28-391,324.86

Finding the Fourth Proportional to 1,456,282.78, 2,184,422.28 and 391,324.86

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Solution

The fourth proportional to 1,456,282.78, 2,184,422.28 and 391,324.86 is: 586,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,282.78 : 2,184,422.28 = 391,324.86 : x
  2. Step 2: Convert to fraction form
    1,456,282.78/2,184,422.28 = 391,324.86/x
  3. Step 3: Cross multiply
    1,456,282.78x = 2,184,422.28 × 391,324.86
  4. Step 4: Simplify right side
    1,456,282.78x = 854,818,748,362.94
  5. Step 5: Solve for x
    x = 854,818,748,362.94/1,456,282.78
  6. Step 6: Final answer
    x = 586,986.79

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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.