Home / 1,333,124.94-1,999,065.33-772,319.82

Finding the Fourth Proportional to 1,333,124.94, 1,999,065.33 and 772,319.82

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Solution

The fourth proportional to 1,333,124.94, 1,999,065.33 and 772,319.82 is: 1,158,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,124.94 : 1,999,065.33 = 772,319.82 : x
  2. Step 2: Convert to fraction form
    1,333,124.94/1,999,065.33 = 772,319.82/x
  3. Step 3: Cross multiply
    1,333,124.94x = 1,999,065.33 × 772,319.82
  4. Step 4: Simplify right side
    1,333,124.94x = 1,543,917,775,833.84
  5. Step 5: Solve for x
    x = 1,543,917,775,833.84/1,333,124.94
  6. Step 6: Final answer
    x = 1,158,119.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.