Home / 1,109,215.57-1,663,823.37-361,261.57

Finding the Fourth Proportional to 1,109,215.57, 1,663,823.37 and 361,261.57

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Solution

The fourth proportional to 1,109,215.57, 1,663,823.37 and 361,261.57 is: 541,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,215.57 : 1,663,823.37 = 361,261.57 : x
  2. Step 2: Convert to fraction form
    1,109,215.57/1,663,823.37 = 361,261.57/x
  3. Step 3: Cross multiply
    1,109,215.57x = 1,663,823.37 × 361,261.57
  4. Step 4: Simplify right side
    1,109,215.57x = 601,075,442,848.89
  5. Step 5: Solve for x
    x = 601,075,442,848.89/1,109,215.57
  6. Step 6: Final answer
    x = 541,892.36

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Double scale
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Similar ratio
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1.5x scale

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.