Home / 1,246,175.28-1,869,271.20-447,464.16

Finding the Fourth Proportional to 1,246,175.28, 1,869,271.20 and 447,464.16

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Solution

The fourth proportional to 1,246,175.28, 1,869,271.20 and 447,464.16 is: 671,199.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,175.28 : 1,869,271.20 = 447,464.16 : x
  2. Step 2: Convert to fraction form
    1,246,175.28/1,869,271.20 = 447,464.16/x
  3. Step 3: Cross multiply
    1,246,175.28x = 1,869,271.20 × 447,464.16
  4. Step 4: Simplify right side
    1,246,175.28x = 836,431,867,320.19
  5. Step 5: Solve for x
    x = 836,431,867,320.19/1,246,175.28
  6. Step 6: Final answer
    x = 671,199.21

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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.