Home / 1,263,902.76-1,896,332.97-758,816.46

Finding the Fourth Proportional to 1,263,902.76, 1,896,332.97 and 758,816.46

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Solution

The fourth proportional to 1,263,902.76, 1,896,332.97 and 758,816.46 is: 1,138,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,902.76 : 1,896,332.97 = 758,816.46 : x
  2. Step 2: Convert to fraction form
    1,263,902.76/1,896,332.97 = 758,816.46/x
  3. Step 3: Cross multiply
    1,263,902.76x = 1,896,332.97 × 758,816.46
  4. Step 4: Simplify right side
    1,263,902.76x = 1,438,968,671,276.69
  5. Step 5: Solve for x
    x = 1,438,968,671,276.69/1,263,902.76
  6. Step 6: Final answer
    x = 1,138,512.17

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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.