Home / 1,975,129.56-2,725,734.78-1,115,726.04

Finding the Fourth Proportional to 1,975,129.56, 2,725,734.78 and 1,115,726.04

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Solution

The fourth proportional to 1,975,129.56, 2,725,734.78 and 1,115,726.04 is: 1,539,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,129.56 : 2,725,734.78 = 1,115,726.04 : x
  2. Step 2: Convert to fraction form
    1,975,129.56/2,725,734.78 = 1,115,726.04/x
  3. Step 3: Cross multiply
    1,975,129.56x = 2,725,734.78 × 1,115,726.04
  4. Step 4: Simplify right side
    1,975,129.56x = 3,041,173,272,179.67
  5. Step 5: Solve for x
    x = 3,041,173,272,179.67/1,975,129.56
  6. Step 6: Final answer
    x = 1,539,733.56

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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.