Home / 1,104,003.10-1,656,004.65-978,031.90

Finding the Fourth Proportional to 1,104,003.10, 1,656,004.65 and 978,031.90

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Solution

The fourth proportional to 1,104,003.10, 1,656,004.65 and 978,031.90 is: 1,467,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,003.10 : 1,656,004.65 = 978,031.90 : x
  2. Step 2: Convert to fraction form
    1,104,003.10/1,656,004.65 = 978,031.90/x
  3. Step 3: Cross multiply
    1,104,003.10x = 1,656,004.65 × 978,031.90
  4. Step 4: Simplify right side
    1,104,003.10x = 1,619,625,374,248.34
  5. Step 5: Solve for x
    x = 1,619,625,374,248.34/1,104,003.10
  6. Step 6: Final answer
    x = 1,467,047.85

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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.