Home / 1,405,382.62-1,939,427.61-760,802.34

Finding the Fourth Proportional to 1,405,382.62, 1,939,427.61 and 760,802.34

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Solution

The fourth proportional to 1,405,382.62, 1,939,427.61 and 760,802.34 is: 1,049,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,382.62 : 1,939,427.61 = 760,802.34 : x
  2. Step 2: Convert to fraction form
    1,405,382.62/1,939,427.61 = 760,802.34/x
  3. Step 3: Cross multiply
    1,405,382.62x = 1,939,427.61 × 760,802.34
  4. Step 4: Simplify right side
    1,405,382.62x = 1,475,521,063,948.61
  5. Step 5: Solve for x
    x = 1,475,521,063,948.61/1,405,382.62
  6. Step 6: Final answer
    x = 1,049,907.01

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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.