Home / 1,152,933.20-1,729,399.80-1,087,614.80

Finding the Fourth Proportional to 1,152,933.20, 1,729,399.80 and 1,087,614.80

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Solution

The fourth proportional to 1,152,933.20, 1,729,399.80 and 1,087,614.80 is: 1,631,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,933.20 : 1,729,399.80 = 1,087,614.80 : x
  2. Step 2: Convert to fraction form
    1,152,933.20/1,729,399.80 = 1,087,614.80/x
  3. Step 3: Cross multiply
    1,152,933.20x = 1,729,399.80 × 1,087,614.80
  4. Step 4: Simplify right side
    1,152,933.20x = 1,880,920,817,597.04
  5. Step 5: Solve for x
    x = 1,880,920,817,597.04/1,152,933.20
  6. Step 6: Final answer
    x = 1,631,422.20

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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.