Home / 1,406,487.75-1,940,959.03-761,907.94

Finding the Fourth Proportional to 1,406,487.75, 1,940,959.03 and 761,907.94

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Solution

The fourth proportional to 1,406,487.75, 1,940,959.03 and 761,907.94 is: 1,051,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,487.75 : 1,940,959.03 = 761,907.94 : x
  2. Step 2: Convert to fraction form
    1,406,487.75/1,940,959.03 = 761,907.94/x
  3. Step 3: Cross multiply
    1,406,487.75x = 1,940,959.03 × 761,907.94
  4. Step 4: Simplify right side
    1,406,487.75x = 1,478,832,086,466.90
  5. Step 5: Solve for x
    x = 1,478,832,086,466.90/1,406,487.75
  6. Step 6: Final answer
    x = 1,051,436.17

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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.