Home / 1,153,251.40-1,729,873.02-311,803

Finding the Fourth Proportional to 1,153,251.40, 1,729,873.02 and 311,803

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Solution

The fourth proportional to 1,153,251.40, 1,729,873.02 and 311,803 is: 467,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,251.40 : 1,729,873.02 = 311,803 : x
  2. Step 2: Convert to fraction form
    1,153,251.40/1,729,873.02 = 311,803/x
  3. Step 3: Cross multiply
    1,153,251.40x = 1,729,873.02 × 311,803
  4. Step 4: Simplify right side
    1,153,251.40x = 539,379,597,255.06
  5. Step 5: Solve for x
    x = 539,379,597,255.06/1,153,251.40
  6. Step 6: Final answer
    x = 467,703.40

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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.