Home / 1,123,399.71-1,684,749.65-375,270.75

Finding the Fourth Proportional to 1,123,399.71, 1,684,749.65 and 375,270.75

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Solution

The fourth proportional to 1,123,399.71, 1,684,749.65 and 375,270.75 is: 562,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,399.71 : 1,684,749.65 = 375,270.75 : x
  2. Step 2: Convert to fraction form
    1,123,399.71/1,684,749.65 = 375,270.75/x
  3. Step 3: Cross multiply
    1,123,399.71x = 1,684,749.65 × 375,270.75
  4. Step 4: Simplify right side
    1,123,399.71x = 632,237,262,841.38
  5. Step 5: Solve for x
    x = 632,237,262,841.38/1,123,399.71
  6. Step 6: Final answer
    x = 562,789.23

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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.