Home / 1,140,801.68-1,574,318.76-631,512.56

Finding the Fourth Proportional to 1,140,801.68, 1,574,318.76 and 631,512.56

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Solution

The fourth proportional to 1,140,801.68, 1,574,318.76 and 631,512.56 is: 871,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,801.68 : 1,574,318.76 = 631,512.56 : x
  2. Step 2: Convert to fraction form
    1,140,801.68/1,574,318.76 = 631,512.56/x
  3. Step 3: Cross multiply
    1,140,801.68x = 1,574,318.76 × 631,512.56
  4. Step 4: Simplify right side
    1,140,801.68x = 994,202,070,383.63
  5. Step 5: Solve for x
    x = 994,202,070,383.63/1,140,801.68
  6. Step 6: Final answer
    x = 871,494.22

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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.