Home / 1,396,386.01-2,094,422.18-385,651.65

Finding the Fourth Proportional to 1,396,386.01, 2,094,422.18 and 385,651.65

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Solution

The fourth proportional to 1,396,386.01, 2,094,422.18 and 385,651.65 is: 578,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,386.01 : 2,094,422.18 = 385,651.65 : x
  2. Step 2: Convert to fraction form
    1,396,386.01/2,094,422.18 = 385,651.65/x
  3. Step 3: Cross multiply
    1,396,386.01x = 2,094,422.18 × 385,651.65
  4. Step 4: Simplify right side
    1,396,386.01x = 807,717,375,439.42
  5. Step 5: Solve for x
    x = 807,717,375,439.42/1,396,386.01
  6. Step 6: Final answer
    x = 578,434.16

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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.