Home / 1,405,382.94-1,939,428.03-760,802.67

Finding the Fourth Proportional to 1,405,382.94, 1,939,428.03 and 760,802.67

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Solution

The fourth proportional to 1,405,382.94, 1,939,428.03 and 760,802.67 is: 1,049,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,382.94 : 1,939,428.03 = 760,802.67 : x
  2. Step 2: Convert to fraction form
    1,405,382.94/1,939,428.03 = 760,802.67/x
  3. Step 3: Cross multiply
    1,405,382.94x = 1,939,428.03 × 760,802.67
  4. Step 4: Simplify right side
    1,405,382.94x = 1,475,522,023,496.84
  5. Step 5: Solve for x
    x = 1,475,522,023,496.84/1,405,382.94
  6. Step 6: Final answer
    x = 1,049,907.45

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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.