Home / 1,615,505.60-2,229,387.36-890,354

Finding the Fourth Proportional to 1,615,505.60, 2,229,387.36 and 890,354

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Solution

The fourth proportional to 1,615,505.60, 2,229,387.36 and 890,354 is: 1,228,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,505.60 : 2,229,387.36 = 890,354 : x
  2. Step 2: Convert to fraction form
    1,615,505.60/2,229,387.36 = 890,354/x
  3. Step 3: Cross multiply
    1,615,505.60x = 2,229,387.36 × 890,354
  4. Step 4: Simplify right side
    1,615,505.60x = 1,984,943,953,525.44
  5. Step 5: Solve for x
    x = 1,984,943,953,525.44/1,615,505.60
  6. Step 6: Final answer
    x = 1,228,682.81

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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.