Home / 1,173,439.96-1,760,142.50-320,510.18

Finding the Fourth Proportional to 1,173,439.96, 1,760,142.50 and 320,510.18

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Solution

The fourth proportional to 1,173,439.96, 1,760,142.50 and 320,510.18 is: 480,760.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,439.96 : 1,760,142.50 = 320,510.18 : x
  2. Step 2: Convert to fraction form
    1,173,439.96/1,760,142.50 = 320,510.18/x
  3. Step 3: Cross multiply
    1,173,439.96x = 1,760,142.50 × 320,510.18
  4. Step 4: Simplify right side
    1,173,439.96x = 564,143,593,500.37
  5. Step 5: Solve for x
    x = 564,143,593,500.37/1,173,439.96
  6. Step 6: Final answer
    x = 480,760.51

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Double scale
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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.