Home / 1,328,775.56-1,833,769.89-748,198.34

Finding the Fourth Proportional to 1,328,775.56, 1,833,769.89 and 748,198.34

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Solution

The fourth proportional to 1,328,775.56, 1,833,769.89 and 748,198.34 is: 1,032,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,775.56 : 1,833,769.89 = 748,198.34 : x
  2. Step 2: Convert to fraction form
    1,328,775.56/1,833,769.89 = 748,198.34/x
  3. Step 3: Cross multiply
    1,328,775.56x = 1,833,769.89 × 748,198.34
  4. Step 4: Simplify right side
    1,328,775.56x = 1,372,023,578,471.13
  5. Step 5: Solve for x
    x = 1,372,023,578,471.13/1,328,775.56
  6. Step 6: Final answer
    x = 1,032,547.28

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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.