Home / 1,009,534.08-1,512,805.04-409,765.44

Finding the Fourth Proportional to 1,009,534.08, 1,512,805.04 and 409,765.44

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Solution

The fourth proportional to 1,009,534.08, 1,512,805.04 and 409,765.44 is: 614,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,534.08 : 1,512,805.04 = 409,765.44 : x
  2. Step 2: Convert to fraction form
    1,009,534.08/1,512,805.04 = 409,765.44/x
  3. Step 3: Cross multiply
    1,009,534.08x = 1,512,805.04 × 409,765.44
  4. Step 4: Simplify right side
    1,009,534.08x = 619,895,222,849.82
  5. Step 5: Solve for x
    x = 619,895,222,849.82/1,009,534.08
  6. Step 6: Final answer
    x = 614,040.91

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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.