Home / 1,421,824.92-1,962,113.94-777,245.40

Finding the Fourth Proportional to 1,421,824.92, 1,962,113.94 and 777,245.40

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Solution

The fourth proportional to 1,421,824.92, 1,962,113.94 and 777,245.40 is: 1,072,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,824.92 : 1,962,113.94 = 777,245.40 : x
  2. Step 2: Convert to fraction form
    1,421,824.92/1,962,113.94 = 777,245.40/x
  3. Step 3: Cross multiply
    1,421,824.92x = 1,962,113.94 × 777,245.40
  4. Step 4: Simplify right side
    1,421,824.92x = 1,525,044,034,140.88
  5. Step 5: Solve for x
    x = 1,525,044,034,140.88/1,421,824.92
  6. Step 6: Final answer
    x = 1,072,596.22

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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.