Home / 947,865.12-1,421,010.36-662,740.44

Finding the Fourth Proportional to 947,865.12, 1,421,010.36 and 662,740.44

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Solution

The fourth proportional to 947,865.12, 1,421,010.36 and 662,740.44 is: 993,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,865.12 : 1,421,010.36 = 662,740.44 : x
  2. Step 2: Convert to fraction form
    947,865.12/1,421,010.36 = 662,740.44/x
  3. Step 3: Cross multiply
    947,865.12x = 1,421,010.36 × 662,740.44
  4. Step 4: Simplify right side
    947,865.12x = 941,761,031,230.96
  5. Step 5: Solve for x
    x = 941,761,031,230.96/947,865.12
  6. Step 6: Final answer
    x = 993,560.17

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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.