Home / 1,536,630.30-2,304,945.45-978,140.70

Finding the Fourth Proportional to 1,536,630.30, 2,304,945.45 and 978,140.70

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Solution

The fourth proportional to 1,536,630.30, 2,304,945.45 and 978,140.70 is: 1,467,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,630.30 : 2,304,945.45 = 978,140.70 : x
  2. Step 2: Convert to fraction form
    1,536,630.30/2,304,945.45 = 978,140.70/x
  3. Step 3: Cross multiply
    1,536,630.30x = 2,304,945.45 × 978,140.70
  4. Step 4: Simplify right side
    1,536,630.30x = 2,254,560,955,924.82
  5. Step 5: Solve for x
    x = 2,254,560,955,924.82/1,536,630.30
  6. Step 6: Final answer
    x = 1,467,211.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.