Home / 1,012,139.22-1,517,692.86-337,978.38

Finding the Fourth Proportional to 1,012,139.22, 1,517,692.86 and 337,978.38

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Solution

The fourth proportional to 1,012,139.22, 1,517,692.86 and 337,978.38 is: 506,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,139.22 : 1,517,692.86 = 337,978.38 : x
  2. Step 2: Convert to fraction form
    1,012,139.22/1,517,692.86 = 337,978.38/x
  3. Step 3: Cross multiply
    1,012,139.22x = 1,517,692.86 × 337,978.38
  4. Step 4: Simplify right side
    1,012,139.22x = 512,947,374,160.37
  5. Step 5: Solve for x
    x = 512,947,374,160.37/1,012,139.22
  6. Step 6: Final answer
    x = 506,795.27

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1.5x scale

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.