Home / 901,281.29-1,242,443.09-686,046.47

Finding the Fourth Proportional to 901,281.29, 1,242,443.09 and 686,046.47

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Solution

The fourth proportional to 901,281.29, 1,242,443.09 and 686,046.47 is: 945,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,281.29 : 1,242,443.09 = 686,046.47 : x
  2. Step 2: Convert to fraction form
    901,281.29/1,242,443.09 = 686,046.47/x
  3. Step 3: Cross multiply
    901,281.29x = 1,242,443.09 × 686,046.47
  4. Step 4: Simplify right side
    901,281.29x = 852,373,692,640.16
  5. Step 5: Solve for x
    x = 852,373,692,640.16/901,281.29
  6. Step 6: Final answer
    x = 945,735.48

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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.