Home / 1,292,231.48-1,783,382.47-748,376.82

Finding the Fourth Proportional to 1,292,231.48, 1,783,382.47 and 748,376.82

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Solution

The fourth proportional to 1,292,231.48, 1,783,382.47 and 748,376.82 is: 1,032,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,231.48 : 1,783,382.47 = 748,376.82 : x
  2. Step 2: Convert to fraction form
    1,292,231.48/1,783,382.47 = 748,376.82/x
  3. Step 3: Cross multiply
    1,292,231.48x = 1,783,382.47 × 748,376.82
  4. Step 4: Simplify right side
    1,292,231.48x = 1,334,642,099,871.40
  5. Step 5: Solve for x
    x = 1,334,642,099,871.40/1,292,231.48
  6. Step 6: Final answer
    x = 1,032,819.68

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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.