Home / 1,224,417.78-1,689,437.25-740,888.82

Finding the Fourth Proportional to 1,224,417.78, 1,689,437.25 and 740,888.82

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Solution

The fourth proportional to 1,224,417.78, 1,689,437.25 and 740,888.82 is: 1,022,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,417.78 : 1,689,437.25 = 740,888.82 : x
  2. Step 2: Convert to fraction form
    1,224,417.78/1,689,437.25 = 740,888.82/x
  3. Step 3: Cross multiply
    1,224,417.78x = 1,689,437.25 × 740,888.82
  4. Step 4: Simplify right side
    1,224,417.78x = 1,251,685,170,616.55
  5. Step 5: Solve for x
    x = 1,251,685,170,616.55/1,224,417.78
  6. Step 6: Final answer
    x = 1,022,269.68

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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.