Home / 1,292,154.52-1,938,239.07-1,150,655.62

Finding the Fourth Proportional to 1,292,154.52, 1,938,239.07 and 1,150,655.62

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Solution

The fourth proportional to 1,292,154.52, 1,938,239.07 and 1,150,655.62 is: 1,725,989.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,154.52 : 1,938,239.07 = 1,150,655.62 : x
  2. Step 2: Convert to fraction form
    1,292,154.52/1,938,239.07 = 1,150,655.62/x
  3. Step 3: Cross multiply
    1,292,154.52x = 1,938,239.07 × 1,150,655.62
  4. Step 4: Simplify right side
    1,292,154.52x = 2,230,245,678,799.07
  5. Step 5: Solve for x
    x = 2,230,245,678,799.07/1,292,154.52
  6. Step 6: Final answer
    x = 1,725,989.92

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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.