Home / 1,420,832.22-1,960,765.83-776,260.14

Finding the Fourth Proportional to 1,420,832.22, 1,960,765.83 and 776,260.14

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Solution

The fourth proportional to 1,420,832.22, 1,960,765.83 and 776,260.14 is: 1,071,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,832.22 : 1,960,765.83 = 776,260.14 : x
  2. Step 2: Convert to fraction form
    1,420,832.22/1,960,765.83 = 776,260.14/x
  3. Step 3: Cross multiply
    1,420,832.22x = 1,960,765.83 × 776,260.14
  4. Step 4: Simplify right side
    1,420,832.22x = 1,522,064,357,703.02
  5. Step 5: Solve for x
    x = 1,522,064,357,703.02/1,420,832.22
  6. Step 6: Final answer
    x = 1,071,248.48

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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.