Home / 1,405,835.08-1,940,061.74-761,255.28

Finding the Fourth Proportional to 1,405,835.08, 1,940,061.74 and 761,255.28

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Solution

The fourth proportional to 1,405,835.08, 1,940,061.74 and 761,255.28 is: 1,050,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,835.08 : 1,940,061.74 = 761,255.28 : x
  2. Step 2: Convert to fraction form
    1,405,835.08/1,940,061.74 = 761,255.28/x
  3. Step 3: Cross multiply
    1,405,835.08x = 1,940,061.74 × 761,255.28
  4. Step 4: Simplify right side
    1,405,835.08x = 1,476,882,243,100.99
  5. Step 5: Solve for x
    x = 1,476,882,243,100.99/1,405,835.08
  6. Step 6: Final answer
    x = 1,050,537.34

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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.