Home / 1,107,872.40-1,661,808.60-359,918.40

Finding the Fourth Proportional to 1,107,872.40, 1,661,808.60 and 359,918.40

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Solution

The fourth proportional to 1,107,872.40, 1,661,808.60 and 359,918.40 is: 539,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,872.40 : 1,661,808.60 = 359,918.40 : x
  2. Step 2: Convert to fraction form
    1,107,872.40/1,661,808.60 = 359,918.40/x
  3. Step 3: Cross multiply
    1,107,872.40x = 1,661,808.60 × 359,918.40
  4. Step 4: Simplify right side
    1,107,872.40x = 598,115,492,418.24
  5. Step 5: Solve for x
    x = 598,115,492,418.24/1,107,872.40
  6. Step 6: Final answer
    x = 539,877.60

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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.