Home / 1,283,976.77-1,771,823.87-740,079.59

Finding the Fourth Proportional to 1,283,976.77, 1,771,823.87 and 740,079.59

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Solution

The fourth proportional to 1,283,976.77, 1,771,823.87 and 740,079.59 is: 1,021,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,976.77 : 1,771,823.87 = 740,079.59 : x
  2. Step 2: Convert to fraction form
    1,283,976.77/1,771,823.87 = 740,079.59/x
  3. Step 3: Cross multiply
    1,283,976.77x = 1,771,823.87 × 740,079.59
  4. Step 4: Simplify right side
    1,283,976.77x = 1,311,290,673,477.59
  5. Step 5: Solve for x
    x = 1,311,290,673,477.59/1,283,976.77
  6. Step 6: Final answer
    x = 1,021,272.90

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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.