Home / 1,199,488.80-1,798,577.10-488,713.80

Finding the Fourth Proportional to 1,199,488.80, 1,798,577.10 and 488,713.80

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Solution

The fourth proportional to 1,199,488.80, 1,798,577.10 and 488,713.80 is: 732,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,488.80 : 1,798,577.10 = 488,713.80 : x
  2. Step 2: Convert to fraction form
    1,199,488.80/1,798,577.10 = 488,713.80/x
  3. Step 3: Cross multiply
    1,199,488.80x = 1,798,577.10 × 488,713.80
  4. Step 4: Simplify right side
    1,199,488.80x = 878,989,449,133.98
  5. Step 5: Solve for x
    x = 878,989,449,133.98/1,199,488.80
  6. Step 6: Final answer
    x = 732,803.38

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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.