Home / 1,227,264.21-1,692,175.46-840,267.27

Finding the Fourth Proportional to 1,227,264.21, 1,692,175.46 and 840,267.27

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Solution

The fourth proportional to 1,227,264.21, 1,692,175.46 and 840,267.27 is: 1,158,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,264.21 : 1,692,175.46 = 840,267.27 : x
  2. Step 2: Convert to fraction form
    1,227,264.21/1,692,175.46 = 840,267.27/x
  3. Step 3: Cross multiply
    1,227,264.21x = 1,692,175.46 × 840,267.27
  4. Step 4: Simplify right side
    1,227,264.21x = 1,421,879,649,933.86
  5. Step 5: Solve for x
    x = 1,421,879,649,933.86/1,227,264.21
  6. Step 6: Final answer
    x = 1,158,576.64

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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.