Home / 1,376,998.80-2,065,498.20-366,118.80

Finding the Fourth Proportional to 1,376,998.80, 2,065,498.20 and 366,118.80

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Solution

The fourth proportional to 1,376,998.80, 2,065,498.20 and 366,118.80 is: 549,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,998.80 : 2,065,498.20 = 366,118.80 : x
  2. Step 2: Convert to fraction form
    1,376,998.80/2,065,498.20 = 366,118.80/x
  3. Step 3: Cross multiply
    1,376,998.80x = 2,065,498.20 × 366,118.80
  4. Step 4: Simplify right side
    1,376,998.80x = 756,217,722,386.16
  5. Step 5: Solve for x
    x = 756,217,722,386.16/1,376,998.80
  6. Step 6: Final answer
    x = 549,178.20

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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.