Home / 1,331,760.11-1,838,008.95-751,102.50

Finding the Fourth Proportional to 1,331,760.11, 1,838,008.95 and 751,102.50

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Solution

The fourth proportional to 1,331,760.11, 1,838,008.95 and 751,102.50 is: 1,036,622.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,760.11 : 1,838,008.95 = 751,102.50 : x
  2. Step 2: Convert to fraction form
    1,331,760.11/1,838,008.95 = 751,102.50/x
  3. Step 3: Cross multiply
    1,331,760.11x = 1,838,008.95 × 751,102.50
  4. Step 4: Simplify right side
    1,331,760.11x = 1,380,533,115,329.43
  5. Step 5: Solve for x
    x = 1,380,533,115,329.43/1,331,760.11
  6. Step 6: Final answer
    x = 1,036,622.97

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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.