Home / 1,048,175.40-1,570,902.30-486,013.80

Finding the Fourth Proportional to 1,048,175.40, 1,570,902.30 and 486,013.80

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Solution

The fourth proportional to 1,048,175.40, 1,570,902.30 and 486,013.80 is: 728,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,175.40 : 1,570,902.30 = 486,013.80 : x
  2. Step 2: Convert to fraction form
    1,048,175.40/1,570,902.30 = 486,013.80/x
  3. Step 3: Cross multiply
    1,048,175.40x = 1,570,902.30 × 486,013.80
  4. Step 4: Simplify right side
    1,048,175.40x = 763,480,196,251.74
  5. Step 5: Solve for x
    x = 763,480,196,251.74/1,048,175.40
  6. Step 6: Final answer
    x = 728,389.73

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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.