Home / 1,272,685.37-1,756,260.83-699,721.13

Finding the Fourth Proportional to 1,272,685.37, 1,756,260.83 and 699,721.13

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Solution

The fourth proportional to 1,272,685.37, 1,756,260.83 and 699,721.13 is: 965,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,685.37 : 1,756,260.83 = 699,721.13 : x
  2. Step 2: Convert to fraction form
    1,272,685.37/1,756,260.83 = 699,721.13/x
  3. Step 3: Cross multiply
    1,272,685.37x = 1,756,260.83 × 699,721.13
  4. Step 4: Simplify right side
    1,272,685.37x = 1,228,892,818,682.29
  5. Step 5: Solve for x
    x = 1,228,892,818,682.29/1,272,685.37
  6. Step 6: Final answer
    x = 965,590.44

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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.