Home / 1,416,754.72-1,955,064.48-772,161.28

Finding the Fourth Proportional to 1,416,754.72, 1,955,064.48 and 772,161.28

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Solution

The fourth proportional to 1,416,754.72, 1,955,064.48 and 772,161.28 is: 1,065,551.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,754.72 : 1,955,064.48 = 772,161.28 : x
  2. Step 2: Convert to fraction form
    1,416,754.72/1,955,064.48 = 772,161.28/x
  3. Step 3: Cross multiply
    1,416,754.72x = 1,955,064.48 × 772,161.28
  4. Step 4: Simplify right side
    1,416,754.72x = 1,509,625,091,359.33
  5. Step 5: Solve for x
    x = 1,509,625,091,359.33/1,416,754.72
  6. Step 6: Final answer
    x = 1,065,551.48

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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.