Home / 1,276,688.25-1,761,841.67-703,748.93

Finding the Fourth Proportional to 1,276,688.25, 1,761,841.67 and 703,748.93

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Solution

The fourth proportional to 1,276,688.25, 1,761,841.67 and 703,748.93 is: 971,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,688.25 : 1,761,841.67 = 703,748.93 : x
  2. Step 2: Convert to fraction form
    1,276,688.25/1,761,841.67 = 703,748.93/x
  3. Step 3: Cross multiply
    1,276,688.25x = 1,761,841.67 × 703,748.93
  4. Step 4: Simplify right side
    1,276,688.25x = 1,239,894,177,763.96
  5. Step 5: Solve for x
    x = 1,239,894,177,763.96/1,276,688.25
  6. Step 6: Final answer
    x = 971,180.07

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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.