Home / 1,615,404.47-2,229,273.38-890,278.29

Finding the Fourth Proportional to 1,615,404.47, 2,229,273.38 and 890,278.29

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Solution

The fourth proportional to 1,615,404.47, 2,229,273.38 and 890,278.29 is: 1,228,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,404.47 : 2,229,273.38 = 890,278.29 : x
  2. Step 2: Convert to fraction form
    1,615,404.47/2,229,273.38 = 890,278.29/x
  3. Step 3: Cross multiply
    1,615,404.47x = 2,229,273.38 × 890,278.29
  4. Step 4: Simplify right side
    1,615,404.47x = 1,984,673,688,237.53
  5. Step 5: Solve for x
    x = 1,984,673,688,237.53/1,615,404.47
  6. Step 6: Final answer
    x = 1,228,592.42

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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.