Home / 1,013,991.22-1,399,307.90-561,282.22

Finding the Fourth Proportional to 1,013,991.22, 1,399,307.90 and 561,282.22

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Solution

The fourth proportional to 1,013,991.22, 1,399,307.90 and 561,282.22 is: 774,569.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,991.22 : 1,399,307.90 = 561,282.22 : x
  2. Step 2: Convert to fraction form
    1,013,991.22/1,399,307.90 = 561,282.22/x
  3. Step 3: Cross multiply
    1,013,991.22x = 1,399,307.90 × 561,282.22
  4. Step 4: Simplify right side
    1,013,991.22x = 785,406,644,575.54
  5. Step 5: Solve for x
    x = 785,406,644,575.54/1,013,991.22
  6. Step 6: Final answer
    x = 774,569.47

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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.