Home / 1,615,952.19-2,230,020.92-890,784.15

Finding the Fourth Proportional to 1,615,952.19, 2,230,020.92 and 890,784.15

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Solution

The fourth proportional to 1,615,952.19, 2,230,020.92 and 890,784.15 is: 1,229,285.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,952.19 : 2,230,020.92 = 890,784.15 : x
  2. Step 2: Convert to fraction form
    1,615,952.19/2,230,020.92 = 890,784.15/x
  3. Step 3: Cross multiply
    1,615,952.19x = 2,230,020.92 × 890,784.15
  4. Step 4: Simplify right side
    1,615,952.19x = 1,986,467,285,250.50
  5. Step 5: Solve for x
    x = 1,986,467,285,250.50/1,615,952.19
  6. Step 6: Final answer
    x = 1,229,285.93

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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.