Home / 1,107,713.72-1,661,570.58-349,614.20

Finding the Fourth Proportional to 1,107,713.72, 1,661,570.58 and 349,614.20

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Solution

The fourth proportional to 1,107,713.72, 1,661,570.58 and 349,614.20 is: 524,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,713.72 : 1,661,570.58 = 349,614.20 : x
  2. Step 2: Convert to fraction form
    1,107,713.72/1,661,570.58 = 349,614.20/x
  3. Step 3: Cross multiply
    1,107,713.72x = 1,661,570.58 × 349,614.20
  4. Step 4: Simplify right side
    1,107,713.72x = 580,908,669,070.24
  5. Step 5: Solve for x
    x = 580,908,669,070.24/1,107,713.72
  6. Step 6: Final answer
    x = 524,421.30

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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.