Home / 1,615,402.96-2,229,271.30-890,276.78

Finding the Fourth Proportional to 1,615,402.96, 2,229,271.30 and 890,276.78

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Solution

The fourth proportional to 1,615,402.96, 2,229,271.30 and 890,276.78 is: 1,228,590.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,402.96 : 2,229,271.30 = 890,276.78 : x
  2. Step 2: Convert to fraction form
    1,615,402.96/2,229,271.30 = 890,276.78/x
  3. Step 3: Cross multiply
    1,615,402.96x = 2,229,271.30 × 890,276.78
  4. Step 4: Simplify right side
    1,615,402.96x = 1,984,668,481,396.44
  5. Step 5: Solve for x
    x = 1,984,668,481,396.44/1,615,402.96
  6. Step 6: Final answer
    x = 1,228,590.35

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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.