Home / 1,645,848.90-2,271,183.04-910,770.90

Finding the Fourth Proportional to 1,645,848.90, 2,271,183.04 and 910,770.90

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Solution

The fourth proportional to 1,645,848.90, 2,271,183.04 and 910,770.90 is: 1,256,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,848.90 : 2,271,183.04 = 910,770.90 : x
  2. Step 2: Convert to fraction form
    1,645,848.90/2,271,183.04 = 910,770.90/x
  3. Step 3: Cross multiply
    1,645,848.90x = 2,271,183.04 × 910,770.90
  4. Step 4: Simplify right side
    1,645,848.90x = 2,068,527,421,405.54
  5. Step 5: Solve for x
    x = 2,068,527,421,405.54/1,645,848.90
  6. Step 6: Final answer
    x = 1,256,814.90

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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.