Home / 1,154,630.52-1,593,362.60-645,380.28

Finding the Fourth Proportional to 1,154,630.52, 1,593,362.60 and 645,380.28

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Solution

The fourth proportional to 1,154,630.52, 1,593,362.60 and 645,380.28 is: 890,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,630.52 : 1,593,362.60 = 645,380.28 : x
  2. Step 2: Convert to fraction form
    1,154,630.52/1,593,362.60 = 645,380.28/x
  3. Step 3: Cross multiply
    1,154,630.52x = 1,593,362.60 × 645,380.28
  4. Step 4: Simplify right side
    1,154,630.52x = 1,028,324,797,702.63
  5. Step 5: Solve for x
    x = 1,028,324,797,702.63/1,154,630.52
  6. Step 6: Final answer
    x = 890,609.40

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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.