Home / 1,132,147.94-1,698,221.60-776,082.47

Finding the Fourth Proportional to 1,132,147.94, 1,698,221.60 and 776,082.47

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Solution

The fourth proportional to 1,132,147.94, 1,698,221.60 and 776,082.47 is: 1,164,123.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,147.94 : 1,698,221.60 = 776,082.47 : x
  2. Step 2: Convert to fraction form
    1,132,147.94/1,698,221.60 = 776,082.47/x
  3. Step 3: Cross multiply
    1,132,147.94x = 1,698,221.60 × 776,082.47
  4. Step 4: Simplify right side
    1,132,147.94x = 1,317,960,004,474.14
  5. Step 5: Solve for x
    x = 1,317,960,004,474.14/1,132,147.94
  6. Step 6: Final answer
    x = 1,164,123.49

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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.