Home / 1,151,769.42-1,589,475.60-642,460.86

Finding the Fourth Proportional to 1,151,769.42, 1,589,475.60 and 642,460.86

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Solution

The fourth proportional to 1,151,769.42, 1,589,475.60 and 642,460.86 is: 886,614.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,769.42 : 1,589,475.60 = 642,460.86 : x
  2. Step 2: Convert to fraction form
    1,151,769.42/1,589,475.60 = 642,460.86/x
  3. Step 3: Cross multiply
    1,151,769.42x = 1,589,475.60 × 642,460.86
  4. Step 4: Simplify right side
    1,151,769.42x = 1,021,175,860,925.02
  5. Step 5: Solve for x
    x = 1,021,175,860,925.02/1,151,769.42
  6. Step 6: Final answer
    x = 886,614.84

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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.