Home / 1,405,989.24-1,940,255.01-761,394.48

Finding the Fourth Proportional to 1,405,989.24, 1,940,255.01 and 761,394.48

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Solution

The fourth proportional to 1,405,989.24, 1,940,255.01 and 761,394.48 is: 1,050,718.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,989.24 : 1,940,255.01 = 761,394.48 : x
  2. Step 2: Convert to fraction form
    1,405,989.24/1,940,255.01 = 761,394.48/x
  3. Step 3: Cross multiply
    1,405,989.24x = 1,940,255.01 × 761,394.48
  4. Step 4: Simplify right side
    1,405,989.24x = 1,477,299,454,406.34
  5. Step 5: Solve for x
    x = 1,477,299,454,406.34/1,405,989.24
  6. Step 6: Final answer
    x = 1,050,718.89

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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.