Home / 1,013,991.47-1,399,308.25-561,282.47

Finding the Fourth Proportional to 1,013,991.47, 1,399,308.25 and 561,282.47

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Solution

The fourth proportional to 1,013,991.47, 1,399,308.25 and 561,282.47 is: 774,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,991.47 : 1,399,308.25 = 561,282.47 : x
  2. Step 2: Convert to fraction form
    1,013,991.47/1,399,308.25 = 561,282.47/x
  3. Step 3: Cross multiply
    1,013,991.47x = 1,399,308.25 × 561,282.47
  4. Step 4: Simplify right side
    1,013,991.47x = 785,407,190,851.38
  5. Step 5: Solve for x
    x = 785,407,190,851.38/1,013,991.47
  6. Step 6: Final answer
    x = 774,569.82

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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.