Home / 1,422,815.06-2,134,065.40-357,857.55

Finding the Fourth Proportional to 1,422,815.06, 2,134,065.40 and 357,857.55

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Solution

The fourth proportional to 1,422,815.06, 2,134,065.40 and 357,857.55 is: 536,746.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,815.06 : 2,134,065.40 = 357,857.55 : x
  2. Step 2: Convert to fraction form
    1,422,815.06/2,134,065.40 = 357,857.55/x
  3. Step 3: Cross multiply
    1,422,815.06x = 2,134,065.40 × 357,857.55
  4. Step 4: Simplify right side
    1,422,815.06x = 763,691,414,689.13
  5. Step 5: Solve for x
    x = 763,691,414,689.13/1,422,815.06
  6. Step 6: Final answer
    x = 536,746.79

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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.