Home / 1,126,248.27-1,689,621.53-620,548.94

Finding the Fourth Proportional to 1,126,248.27, 1,689,621.53 and 620,548.94

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Solution

The fourth proportional to 1,126,248.27, 1,689,621.53 and 620,548.94 is: 930,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,248.27 : 1,689,621.53 = 620,548.94 : x
  2. Step 2: Convert to fraction form
    1,126,248.27/1,689,621.53 = 620,548.94/x
  3. Step 3: Cross multiply
    1,126,248.27x = 1,689,621.53 × 620,548.94
  4. Step 4: Simplify right side
    1,126,248.27x = 1,048,492,837,891.83
  5. Step 5: Solve for x
    x = 1,048,492,837,891.83/1,126,248.27
  6. Step 6: Final answer
    x = 930,960.66

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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.