Home / 1,615,813.83-2,229,822.54-890,673.66

Finding the Fourth Proportional to 1,615,813.83, 2,229,822.54 and 890,673.66

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Solution

The fourth proportional to 1,615,813.83, 2,229,822.54 and 890,673.66 is: 1,229,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,813.83 : 2,229,822.54 = 890,673.66 : x
  2. Step 2: Convert to fraction form
    1,615,813.83/2,229,822.54 = 890,673.66/x
  3. Step 3: Cross multiply
    1,615,813.83x = 2,229,822.54 × 890,673.66
  4. Step 4: Simplify right side
    1,615,813.83x = 1,986,044,202,852.30
  5. Step 5: Solve for x
    x = 1,986,044,202,852.30/1,615,813.83
  6. Step 6: Final answer
    x = 1,229,129.35

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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.