Home / 1,276,698.60-1,761,834.92-703,737.81

Finding the Fourth Proportional to 1,276,698.60, 1,761,834.92 and 703,737.81

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Solution

The fourth proportional to 1,276,698.60, 1,761,834.92 and 703,737.81 is: 971,153.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,698.60 : 1,761,834.92 = 703,737.81 : x
  2. Step 2: Convert to fraction form
    1,276,698.60/1,761,834.92 = 703,737.81/x
  3. Step 3: Cross multiply
    1,276,698.60x = 1,761,834.92 × 703,737.81
  4. Step 4: Simplify right side
    1,276,698.60x = 1,239,869,844,663.64
  5. Step 5: Solve for x
    x = 1,239,869,844,663.64/1,276,698.60
  6. Step 6: Final answer
    x = 971,153.13

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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.