Home / 1,615,619.49-2,229,543.72-890,467.59

Finding the Fourth Proportional to 1,615,619.49, 2,229,543.72 and 890,467.59

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Solution

The fourth proportional to 1,615,619.49, 2,229,543.72 and 890,467.59 is: 1,228,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,619.49 : 2,229,543.72 = 890,467.59 : x
  2. Step 2: Convert to fraction form
    1,615,619.49/2,229,543.72 = 890,467.59/x
  3. Step 3: Cross multiply
    1,615,619.49x = 2,229,543.72 × 890,467.59
  4. Step 4: Simplify right side
    1,615,619.49x = 1,985,336,423,148.04
  5. Step 5: Solve for x
    x = 1,985,336,423,148.04/1,615,619.49
  6. Step 6: Final answer
    x = 1,228,839.11

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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.