Home / 1,118,218.10-1,677,327.15-978,250.10

Finding the Fourth Proportional to 1,118,218.10, 1,677,327.15 and 978,250.10

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Solution

The fourth proportional to 1,118,218.10, 1,677,327.15 and 978,250.10 is: 1,467,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,218.10 : 1,677,327.15 = 978,250.10 : x
  2. Step 2: Convert to fraction form
    1,118,218.10/1,677,327.15 = 978,250.10/x
  3. Step 3: Cross multiply
    1,118,218.10x = 1,677,327.15 × 978,250.10
  4. Step 4: Simplify right side
    1,118,218.10x = 1,640,845,452,220.22
  5. Step 5: Solve for x
    x = 1,640,845,452,220.22/1,118,218.10
  6. Step 6: Final answer
    x = 1,467,375.15

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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.