Home / 1,114,270.80-1,671,645.98-345,753.20

Finding the Fourth Proportional to 1,114,270.80, 1,671,645.98 and 345,753.20

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Solution

The fourth proportional to 1,114,270.80, 1,671,645.98 and 345,753.20 is: 518,704.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,270.80 : 1,671,645.98 = 345,753.20 : x
  2. Step 2: Convert to fraction form
    1,114,270.80/1,671,645.98 = 345,753.20/x
  3. Step 3: Cross multiply
    1,114,270.80x = 1,671,645.98 × 345,753.20
  4. Step 4: Simplify right side
    1,114,270.80x = 577,976,939,169.44
  5. Step 5: Solve for x
    x = 577,976,939,169.44/1,114,270.80
  6. Step 6: Final answer
    x = 518,704.19

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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.