Home / 1,018,984.20-1,528,622.10-309,067.80

Finding the Fourth Proportional to 1,018,984.20, 1,528,622.10 and 309,067.80

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Solution

The fourth proportional to 1,018,984.20, 1,528,622.10 and 309,067.80 is: 463,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,984.20 : 1,528,622.10 = 309,067.80 : x
  2. Step 2: Convert to fraction form
    1,018,984.20/1,528,622.10 = 309,067.80/x
  3. Step 3: Cross multiply
    1,018,984.20x = 1,528,622.10 × 309,067.80
  4. Step 4: Simplify right side
    1,018,984.20x = 472,447,869,478.38
  5. Step 5: Solve for x
    x = 472,447,869,478.38/1,018,984.20
  6. Step 6: Final answer
    x = 463,645.92

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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.