Home / 1,615,263.32-2,229,058.72-890,110.80

Finding the Fourth Proportional to 1,615,263.32, 2,229,058.72 and 890,110.80

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Solution

The fourth proportional to 1,615,263.32, 2,229,058.72 and 890,110.80 is: 1,228,350.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,263.32 : 2,229,058.72 = 890,110.80 : x
  2. Step 2: Convert to fraction form
    1,615,263.32/2,229,058.72 = 890,110.80/x
  3. Step 3: Cross multiply
    1,615,263.32x = 2,229,058.72 × 890,110.80
  4. Step 4: Simplify right side
    1,615,263.32x = 1,984,109,240,506.18
  5. Step 5: Solve for x
    x = 1,984,109,240,506.18/1,615,263.32
  6. Step 6: Final answer
    x = 1,228,350.34

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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.