Home / 1,115,530.40-1,673,295.60-367,479.20

Finding the Fourth Proportional to 1,115,530.40, 1,673,295.60 and 367,479.20

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Solution

The fourth proportional to 1,115,530.40, 1,673,295.60 and 367,479.20 is: 551,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,530.40 : 1,673,295.60 = 367,479.20 : x
  2. Step 2: Convert to fraction form
    1,115,530.40/1,673,295.60 = 367,479.20/x
  3. Step 3: Cross multiply
    1,115,530.40x = 1,673,295.60 × 367,479.20
  4. Step 4: Simplify right side
    1,115,530.40x = 614,901,328,451.52
  5. Step 5: Solve for x
    x = 614,901,328,451.52/1,115,530.40
  6. Step 6: Final answer
    x = 551,218.80

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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.