Home / 1,292,262.76-1,938,394.60-581,460.42

Finding the Fourth Proportional to 1,292,262.76, 1,938,394.60 and 581,460.42

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Solution

The fourth proportional to 1,292,262.76, 1,938,394.60 and 581,460.42 is: 872,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,262.76 : 1,938,394.60 = 581,460.42 : x
  2. Step 2: Convert to fraction form
    1,292,262.76/1,938,394.60 = 581,460.42/x
  3. Step 3: Cross multiply
    1,292,262.76x = 1,938,394.60 × 581,460.42
  4. Step 4: Simplify right side
    1,292,262.76x = 1,127,099,744,057.06
  5. Step 5: Solve for x
    x = 1,127,099,744,057.06/1,292,262.76
  6. Step 6: Final answer
    x = 872,190.84

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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.