Home / 1,345,248.41-1,855,393.02-861,858.54

Finding the Fourth Proportional to 1,345,248.41, 1,855,393.02 and 861,858.54

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Solution

The fourth proportional to 1,345,248.41, 1,855,393.02 and 861,858.54 is: 1,188,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,248.41 : 1,855,393.02 = 861,858.54 : x
  2. Step 2: Convert to fraction form
    1,345,248.41/1,855,393.02 = 861,858.54/x
  3. Step 3: Cross multiply
    1,345,248.41x = 1,855,393.02 × 861,858.54
  4. Step 4: Simplify right side
    1,345,248.41x = 1,599,086,319,343.39
  5. Step 5: Solve for x
    x = 1,599,086,319,343.39/1,345,248.41
  6. Step 6: Final answer
    x = 1,188,692.22

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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.