Home / 1,270,114.64-1,754,212.89-836,470.47

Finding the Fourth Proportional to 1,270,114.64, 1,754,212.89 and 836,470.47

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Solution

The fourth proportional to 1,270,114.64, 1,754,212.89 and 836,470.47 is: 1,155,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,114.64 : 1,754,212.89 = 836,470.47 : x
  2. Step 2: Convert to fraction form
    1,270,114.64/1,754,212.89 = 836,470.47/x
  3. Step 3: Cross multiply
    1,270,114.64x = 1,754,212.89 × 836,470.47
  4. Step 4: Simplify right side
    1,270,114.64x = 1,467,347,280,578.36
  5. Step 5: Solve for x
    x = 1,467,347,280,578.36/1,270,114.64
  6. Step 6: Final answer
    x = 1,155,287.27

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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.