Home / 1,265,424.72-1,898,335.02-412,298.33

Finding the Fourth Proportional to 1,265,424.72, 1,898,335.02 and 412,298.33

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Solution

The fourth proportional to 1,265,424.72, 1,898,335.02 and 412,298.33 is: 618,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,424.72 : 1,898,335.02 = 412,298.33 : x
  2. Step 2: Convert to fraction form
    1,265,424.72/1,898,335.02 = 412,298.33/x
  3. Step 3: Cross multiply
    1,265,424.72x = 1,898,335.02 × 412,298.33
  4. Step 4: Simplify right side
    1,265,424.72x = 782,680,349,034.84
  5. Step 5: Solve for x
    x = 782,680,349,034.84/1,265,424.72
  6. Step 6: Final answer
    x = 618,511.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.