Home / 1,557,449.78-2,149,740.34-913,009.46

Finding the Fourth Proportional to 1,557,449.78, 2,149,740.34 and 913,009.46

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Solution

The fourth proportional to 1,557,449.78, 2,149,740.34 and 913,009.46 is: 1,260,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,449.78 : 2,149,740.34 = 913,009.46 : x
  2. Step 2: Convert to fraction form
    1,557,449.78/2,149,740.34 = 913,009.46/x
  3. Step 3: Cross multiply
    1,557,449.78x = 2,149,740.34 × 913,009.46
  4. Step 4: Simplify right side
    1,557,449.78x = 1,962,733,253,932.39
  5. Step 5: Solve for x
    x = 1,962,733,253,932.39/1,557,449.78
  6. Step 6: Final answer
    x = 1,260,222.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.