Home / 1,187,542.85-1,638,984.23-751,999.95

Finding the Fourth Proportional to 1,187,542.85, 1,638,984.23 and 751,999.95

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Solution

The fourth proportional to 1,187,542.85, 1,638,984.23 and 751,999.95 is: 1,037,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,542.85 : 1,638,984.23 = 751,999.95 : x
  2. Step 2: Convert to fraction form
    1,187,542.85/1,638,984.23 = 751,999.95/x
  3. Step 3: Cross multiply
    1,187,542.85x = 1,638,984.23 × 751,999.95
  4. Step 4: Simplify right side
    1,187,542.85x = 1,232,516,055,250.79
  5. Step 5: Solve for x
    x = 1,232,516,055,250.79/1,187,542.85
  6. Step 6: Final answer
    x = 1,037,870.81

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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.