Home / 1,283,640.45-1,771,489.14-710,743.65

Finding the Fourth Proportional to 1,283,640.45, 1,771,489.14 and 710,743.65

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Solution

The fourth proportional to 1,283,640.45, 1,771,489.14 and 710,743.65 is: 980,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,640.45 : 1,771,489.14 = 710,743.65 : x
  2. Step 2: Convert to fraction form
    1,283,640.45/1,771,489.14 = 710,743.65/x
  3. Step 3: Cross multiply
    1,283,640.45x = 1,771,489.14 × 710,743.65
  4. Step 4: Simplify right side
    1,283,640.45x = 1,259,074,644,887.80
  5. Step 5: Solve for x
    x = 1,259,074,644,887.80/1,283,640.45
  6. Step 6: Final answer
    x = 980,862.40

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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.