Home / 1,256,743.80-1,734,434.91-740,658.24

Finding the Fourth Proportional to 1,256,743.80, 1,734,434.91 and 740,658.24

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Solution

The fourth proportional to 1,256,743.80, 1,734,434.91 and 740,658.24 is: 1,022,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,743.80 : 1,734,434.91 = 740,658.24 : x
  2. Step 2: Convert to fraction form
    1,256,743.80/1,734,434.91 = 740,658.24/x
  3. Step 3: Cross multiply
    1,256,743.80x = 1,734,434.91 × 740,658.24
  4. Step 4: Simplify right side
    1,256,743.80x = 1,284,623,507,835.16
  5. Step 5: Solve for x
    x = 1,284,623,507,835.16/1,256,743.80
  6. Step 6: Final answer
    x = 1,022,184.08

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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.