Home / 1,421,932.32-1,962,244.44-777,337.56

Finding the Fourth Proportional to 1,421,932.32, 1,962,244.44 and 777,337.56

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Solution

The fourth proportional to 1,421,932.32, 1,962,244.44 and 777,337.56 is: 1,072,713.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,932.32 : 1,962,244.44 = 777,337.56 : x
  2. Step 2: Convert to fraction form
    1,421,932.32/1,962,244.44 = 777,337.56/x
  3. Step 3: Cross multiply
    1,421,932.32x = 1,962,244.44 × 777,337.56
  4. Step 4: Simplify right side
    1,421,932.32x = 1,525,326,305,113.17
  5. Step 5: Solve for x
    x = 1,525,326,305,113.17/1,421,932.32
  6. Step 6: Final answer
    x = 1,072,713.72

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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.