Home / 910,520.10-1,365,780.15-863,864.10

Finding the Fourth Proportional to 910,520.10, 1,365,780.15 and 863,864.10

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Solution

The fourth proportional to 910,520.10, 1,365,780.15 and 863,864.10 is: 1,295,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,520.10 : 1,365,780.15 = 863,864.10 : x
  2. Step 2: Convert to fraction form
    910,520.10/1,365,780.15 = 863,864.10/x
  3. Step 3: Cross multiply
    910,520.10x = 1,365,780.15 × 863,864.10
  4. Step 4: Simplify right side
    910,520.10x = 1,179,848,440,077.62
  5. Step 5: Solve for x
    x = 1,179,848,440,077.62/910,520.10
  6. Step 6: Final answer
    x = 1,295,796.15

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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.