Home / 1,292,270.76-1,938,803.04-661,627.44

Finding the Fourth Proportional to 1,292,270.76, 1,938,803.04 and 661,627.44

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Solution

The fourth proportional to 1,292,270.76, 1,938,803.04 and 661,627.44 is: 992,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,270.76 : 1,938,803.04 = 661,627.44 : x
  2. Step 2: Convert to fraction form
    1,292,270.76/1,938,803.04 = 661,627.44/x
  3. Step 3: Cross multiply
    1,292,270.76x = 1,938,803.04 × 661,627.44
  4. Step 4: Simplify right side
    1,292,270.76x = 1,282,765,292,019.42
  5. Step 5: Solve for x
    x = 1,282,765,292,019.42/1,292,270.76
  6. Step 6: Final answer
    x = 992,644.37

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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.