Home / 1,276,113.20-1,761,114.66-703,153.22

Finding the Fourth Proportional to 1,276,113.20, 1,761,114.66 and 703,153.22

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Solution

The fourth proportional to 1,276,113.20, 1,761,114.66 and 703,153.22 is: 970,394.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,113.20 : 1,761,114.66 = 703,153.22 : x
  2. Step 2: Convert to fraction form
    1,276,113.20/1,761,114.66 = 703,153.22/x
  3. Step 3: Cross multiply
    1,276,113.20x = 1,761,114.66 × 703,153.22
  4. Step 4: Simplify right side
    1,276,113.20x = 1,238,333,443,968.21
  5. Step 5: Solve for x
    x = 1,238,333,443,968.21/1,276,113.20
  6. Step 6: Final answer
    x = 970,394.67

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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.