Home / 1,199,237.20-1,798,625.40-357,816.40

Finding the Fourth Proportional to 1,199,237.20, 1,798,625.40 and 357,816.40

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Solution

The fourth proportional to 1,199,237.20, 1,798,625.40 and 357,816.40 is: 536,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,237.20 : 1,798,625.40 = 357,816.40 : x
  2. Step 2: Convert to fraction form
    1,199,237.20/1,798,625.40 = 357,816.40/x
  3. Step 3: Cross multiply
    1,199,237.20x = 1,798,625.40 × 357,816.40
  4. Step 4: Simplify right side
    1,199,237.20x = 643,577,665,576.56
  5. Step 5: Solve for x
    x = 643,577,665,576.56/1,199,237.20
  6. Step 6: Final answer
    x = 536,655.86

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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.