Home / 1,361,317.12-1,878,546.29-749,350.35

Finding the Fourth Proportional to 1,361,317.12, 1,878,546.29 and 749,350.35

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Solution

The fourth proportional to 1,361,317.12, 1,878,546.29 and 749,350.35 is: 1,034,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,317.12 : 1,878,546.29 = 749,350.35 : x
  2. Step 2: Convert to fraction form
    1,361,317.12/1,878,546.29 = 749,350.35/x
  3. Step 3: Cross multiply
    1,361,317.12x = 1,878,546.29 × 749,350.35
  4. Step 4: Simplify right side
    1,361,317.12x = 1,407,689,316,155.95
  5. Step 5: Solve for x
    x = 1,407,689,316,155.95/1,361,317.12
  6. Step 6: Final answer
    x = 1,034,064.21

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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.