Home / 1,260,743.17-1,739,817.49-716,879.10

Finding the Fourth Proportional to 1,260,743.17, 1,739,817.49 and 716,879.10

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Solution

The fourth proportional to 1,260,743.17, 1,739,817.49 and 716,879.10 is: 989,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,743.17 : 1,739,817.49 = 716,879.10 : x
  2. Step 2: Convert to fraction form
    1,260,743.17/1,739,817.49 = 716,879.10/x
  3. Step 3: Cross multiply
    1,260,743.17x = 1,739,817.49 × 716,879.10
  4. Step 4: Simplify right side
    1,260,743.17x = 1,247,238,796,395.46
  5. Step 5: Solve for x
    x = 1,247,238,796,395.46/1,260,743.17
  6. Step 6: Final answer
    x = 989,288.56

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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.