Home / 1,421,826.42-1,962,116.01-777,246.90

Finding the Fourth Proportional to 1,421,826.42, 1,962,116.01 and 777,246.90

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Solution

The fourth proportional to 1,421,826.42, 1,962,116.01 and 777,246.90 is: 1,072,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,826.42 : 1,962,116.01 = 777,246.90 : x
  2. Step 2: Convert to fraction form
    1,421,826.42/1,962,116.01 = 777,246.90/x
  3. Step 3: Cross multiply
    1,421,826.42x = 1,962,116.01 × 777,246.90
  4. Step 4: Simplify right side
    1,421,826.42x = 1,525,048,586,212.87
  5. Step 5: Solve for x
    x = 1,525,048,586,212.87/1,421,826.42
  6. Step 6: Final answer
    x = 1,072,598.29

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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.