Home / 1,013,866.28-1,399,091.46-561,130.28

Finding the Fourth Proportional to 1,013,866.28, 1,399,091.46 and 561,130.28

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Solution

The fourth proportional to 1,013,866.28, 1,399,091.46 and 561,130.28 is: 774,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,866.28 : 1,399,091.46 = 561,130.28 : x
  2. Step 2: Convert to fraction form
    1,013,866.28/1,399,091.46 = 561,130.28/x
  3. Step 3: Cross multiply
    1,013,866.28x = 1,399,091.46 × 561,130.28
  4. Step 4: Simplify right side
    1,013,866.28x = 785,072,582,695.41
  5. Step 5: Solve for x
    x = 785,072,582,695.41/1,013,866.28
  6. Step 6: Final answer
    x = 774,335.43

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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.