Home / 1,013,815.68-1,399,109.76-561,106.56

Finding the Fourth Proportional to 1,013,815.68, 1,399,109.76 and 561,106.56

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Solution

The fourth proportional to 1,013,815.68, 1,399,109.76 and 561,106.56 is: 774,351.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,815.68 : 1,399,109.76 = 561,106.56 : x
  2. Step 2: Convert to fraction form
    1,013,815.68/1,399,109.76 = 561,106.56/x
  3. Step 3: Cross multiply
    1,013,815.68x = 1,399,109.76 × 561,106.56
  4. Step 4: Simplify right side
    1,013,815.68x = 785,049,664,496.03
  5. Step 5: Solve for x
    x = 785,049,664,496.03/1,013,815.68
  6. Step 6: Final answer
    x = 774,351.47

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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.