Home / 1,121,970.06-1,548,317.34-663,249.96

Finding the Fourth Proportional to 1,121,970.06, 1,548,317.34 and 663,249.96

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Solution

The fourth proportional to 1,121,970.06, 1,548,317.34 and 663,249.96 is: 915,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,970.06 : 1,548,317.34 = 663,249.96 : x
  2. Step 2: Convert to fraction form
    1,121,970.06/1,548,317.34 = 663,249.96/x
  3. Step 3: Cross multiply
    1,121,970.06x = 1,548,317.34 × 663,249.96
  4. Step 4: Simplify right side
    1,121,970.06x = 1,026,921,413,822.31
  5. Step 5: Solve for x
    x = 1,026,921,413,822.31/1,121,970.06
  6. Step 6: Final answer
    x = 915,284.15

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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.