Home / 1,262,649.87-1,741,901.99-772,642.72

Finding the Fourth Proportional to 1,262,649.87, 1,741,901.99 and 772,642.72

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Solution

The fourth proportional to 1,262,649.87, 1,741,901.99 and 772,642.72 is: 1,065,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,649.87 : 1,741,901.99 = 772,642.72 : x
  2. Step 2: Convert to fraction form
    1,262,649.87/1,741,901.99 = 772,642.72/x
  3. Step 3: Cross multiply
    1,262,649.87x = 1,741,901.99 × 772,642.72
  4. Step 4: Simplify right side
    1,262,649.87x = 1,345,867,896,913.33
  5. Step 5: Solve for x
    x = 1,345,867,896,913.33/1,262,649.87
  6. Step 6: Final answer
    x = 1,065,907.45

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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.