Home / 1,260,272.08-1,739,279-716,578.48

Finding the Fourth Proportional to 1,260,272.08, 1,739,279 and 716,578.48

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Solution

The fourth proportional to 1,260,272.08, 1,739,279 and 716,578.48 is: 988,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,272.08 : 1,739,279 = 716,578.48 : x
  2. Step 2: Convert to fraction form
    1,260,272.08/1,739,279 = 716,578.48/x
  3. Step 3: Cross multiply
    1,260,272.08x = 1,739,279 × 716,578.48
  4. Step 4: Simplify right side
    1,260,272.08x = 1,246,329,902,115.92
  5. Step 5: Solve for x
    x = 1,246,329,902,115.92/1,260,272.08
  6. Step 6: Final answer
    x = 988,937.17

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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.