Home / 750,803.40-1,126,205.10-189,837.90

Finding the Fourth Proportional to 750,803.40, 1,126,205.10 and 189,837.90

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Solution

The fourth proportional to 750,803.40, 1,126,205.10 and 189,837.90 is: 284,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,803.40 : 1,126,205.10 = 189,837.90 : x
  2. Step 2: Convert to fraction form
    750,803.40/1,126,205.10 = 189,837.90/x
  3. Step 3: Cross multiply
    750,803.40x = 1,126,205.10 × 189,837.90
  4. Step 4: Simplify right side
    750,803.40x = 213,796,411,153.29
  5. Step 5: Solve for x
    x = 213,796,411,153.29/750,803.40
  6. Step 6: Final answer
    x = 284,756.85

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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.