Home / 1,301,458.78-1,943,328.79-1,148,380.12

Finding the Fourth Proportional to 1,301,458.78, 1,943,328.79 and 1,148,380.12

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Solution

The fourth proportional to 1,301,458.78, 1,943,328.79 and 1,148,380.12 is: 1,714,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,458.78 : 1,943,328.79 = 1,148,380.12 : x
  2. Step 2: Convert to fraction form
    1,301,458.78/1,943,328.79 = 1,148,380.12/x
  3. Step 3: Cross multiply
    1,301,458.78x = 1,943,328.79 × 1,148,380.12
  4. Step 4: Simplify right side
    1,301,458.78x = 2,231,680,149,059.66
  5. Step 5: Solve for x
    x = 2,231,680,149,059.66/1,301,458.78
  6. Step 6: Final answer
    x = 1,714,752.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.