Home / 1,615,828.23-2,229,842.39-890,688.02

Finding the Fourth Proportional to 1,615,828.23, 2,229,842.39 and 890,688.02

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Solution

The fourth proportional to 1,615,828.23, 2,229,842.39 and 890,688.02 is: 1,229,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,828.23 : 2,229,842.39 = 890,688.02 : x
  2. Step 2: Convert to fraction form
    1,615,828.23/2,229,842.39 = 890,688.02/x
  3. Step 3: Cross multiply
    1,615,828.23x = 2,229,842.39 × 890,688.02
  4. Step 4: Simplify right side
    1,615,828.23x = 1,986,093,887,658.52
  5. Step 5: Solve for x
    x = 1,986,093,887,658.52/1,615,828.23
  6. Step 6: Final answer
    x = 1,229,149.15

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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.