Home / 1,125,100.56-1,688,817.96-753,718.80

Finding the Fourth Proportional to 1,125,100.56, 1,688,817.96 and 753,718.80

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Solution

The fourth proportional to 1,125,100.56, 1,688,817.96 and 753,718.80 is: 1,131,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,100.56 : 1,688,817.96 = 753,718.80 : x
  2. Step 2: Convert to fraction form
    1,125,100.56/1,688,817.96 = 753,718.80/x
  3. Step 3: Cross multiply
    1,125,100.56x = 1,688,817.96 × 753,718.80
  4. Step 4: Simplify right side
    1,125,100.56x = 1,272,893,846,229.65
  5. Step 5: Solve for x
    x = 1,272,893,846,229.65/1,125,100.56
  6. Step 6: Final answer
    x = 1,131,360.07

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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.