Home / 1,267,439.43-1,901,160.52-320,810.14

Finding the Fourth Proportional to 1,267,439.43, 1,901,160.52 and 320,810.14

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Solution

The fourth proportional to 1,267,439.43, 1,901,160.52 and 320,810.14 is: 481,215.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,439.43 : 1,901,160.52 = 320,810.14 : x
  2. Step 2: Convert to fraction form
    1,267,439.43/1,901,160.52 = 320,810.14/x
  3. Step 3: Cross multiply
    1,267,439.43x = 1,901,160.52 × 320,810.14
  4. Step 4: Simplify right side
    1,267,439.43x = 609,911,579,505.11
  5. Step 5: Solve for x
    x = 609,911,579,505.11/1,267,439.43
  6. Step 6: Final answer
    x = 481,215.57

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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.