Home / 1,200,913.47-1,657,096.90-717,375.96

Finding the Fourth Proportional to 1,200,913.47, 1,657,096.90 and 717,375.96

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Solution

The fourth proportional to 1,200,913.47, 1,657,096.90 and 717,375.96 is: 989,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,913.47 : 1,657,096.90 = 717,375.96 : x
  2. Step 2: Convert to fraction form
    1,200,913.47/1,657,096.90 = 717,375.96/x
  3. Step 3: Cross multiply
    1,200,913.47x = 1,657,096.90 × 717,375.96
  4. Step 4: Simplify right side
    1,200,913.47x = 1,188,761,477,657.08
  5. Step 5: Solve for x
    x = 1,188,761,477,657.08/1,200,913.47
  6. Step 6: Final answer
    x = 989,881.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.