Home / 1,100,613.72-1,650,643.56-426,463.68

Finding the Fourth Proportional to 1,100,613.72, 1,650,643.56 and 426,463.68

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Solution

The fourth proportional to 1,100,613.72, 1,650,643.56 and 426,463.68 is: 639,588.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,613.72 : 1,650,643.56 = 426,463.68 : x
  2. Step 2: Convert to fraction form
    1,100,613.72/1,650,643.56 = 426,463.68/x
  3. Step 3: Cross multiply
    1,100,613.72x = 1,650,643.56 × 426,463.68
  4. Step 4: Simplify right side
    1,100,613.72x = 703,939,526,965.90
  5. Step 5: Solve for x
    x = 703,939,526,965.90/1,100,613.72
  6. Step 6: Final answer
    x = 639,588.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.