Home / 754,709.40-1,132,064.10-678,601.80

Finding the Fourth Proportional to 754,709.40, 1,132,064.10 and 678,601.80

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Solution

The fourth proportional to 754,709.40, 1,132,064.10 and 678,601.80 is: 1,017,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,709.40 : 1,132,064.10 = 678,601.80 : x
  2. Step 2: Convert to fraction form
    754,709.40/1,132,064.10 = 678,601.80/x
  3. Step 3: Cross multiply
    754,709.40x = 1,132,064.10 × 678,601.80
  4. Step 4: Simplify right side
    754,709.40x = 768,220,735,975.38
  5. Step 5: Solve for x
    x = 768,220,735,975.38/754,709.40
  6. Step 6: Final answer
    x = 1,017,902.70

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1.5x scale

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.