Home / 1,405,382.94-1,939,428.05-760,802.66

Finding the Fourth Proportional to 1,405,382.94, 1,939,428.05 and 760,802.66

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Solution

The fourth proportional to 1,405,382.94, 1,939,428.05 and 760,802.66 is: 1,049,907.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,382.94 : 1,939,428.05 = 760,802.66 : x
  2. Step 2: Convert to fraction form
    1,405,382.94/1,939,428.05 = 760,802.66/x
  3. Step 3: Cross multiply
    1,405,382.94x = 1,939,428.05 × 760,802.66
  4. Step 4: Simplify right side
    1,405,382.94x = 1,475,522,005,817.46
  5. Step 5: Solve for x
    x = 1,475,522,005,817.46/1,405,382.94
  6. Step 6: Final answer
    x = 1,049,907.44

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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.