Home / 1,276,752.23-1,761,930.19-703,812.90

Finding the Fourth Proportional to 1,276,752.23, 1,761,930.19 and 703,812.90

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Solution

The fourth proportional to 1,276,752.23, 1,761,930.19 and 703,812.90 is: 971,268.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,752.23 : 1,761,930.19 = 703,812.90 : x
  2. Step 2: Convert to fraction form
    1,276,752.23/1,761,930.19 = 703,812.90/x
  3. Step 3: Cross multiply
    1,276,752.23x = 1,761,930.19 × 703,812.90
  4. Step 4: Simplify right side
    1,276,752.23x = 1,240,069,196,621.45
  5. Step 5: Solve for x
    x = 1,240,069,196,621.45/1,276,752.23
  6. Step 6: Final answer
    x = 971,268.48

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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.