Home / 1,422,041.30-1,962,417.06-768,665.18

Finding the Fourth Proportional to 1,422,041.30, 1,962,417.06 and 768,665.18

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Solution

The fourth proportional to 1,422,041.30, 1,962,417.06 and 768,665.18 is: 1,060,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,041.30 : 1,962,417.06 = 768,665.18 : x
  2. Step 2: Convert to fraction form
    1,422,041.30/1,962,417.06 = 768,665.18/x
  3. Step 3: Cross multiply
    1,422,041.30x = 1,962,417.06 × 768,665.18
  4. Step 4: Simplify right side
    1,422,041.30x = 1,508,441,649,004.56
  5. Step 5: Solve for x
    x = 1,508,441,649,004.56/1,422,041.30
  6. Step 6: Final answer
    x = 1,060,757.98

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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.