Home / 1,420,950.06-1,960,887.84-776,356.38

Finding the Fourth Proportional to 1,420,950.06, 1,960,887.84 and 776,356.38

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Solution

The fourth proportional to 1,420,950.06, 1,960,887.84 and 776,356.38 is: 1,071,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,950.06 : 1,960,887.84 = 776,356.38 : x
  2. Step 2: Convert to fraction form
    1,420,950.06/1,960,887.84 = 776,356.38/x
  3. Step 3: Cross multiply
    1,420,950.06x = 1,960,887.84 × 776,356.38
  4. Step 4: Simplify right side
    1,420,950.06x = 1,522,347,785,048.42
  5. Step 5: Solve for x
    x = 1,522,347,785,048.42/1,420,950.06
  6. Step 6: Final answer
    x = 1,071,359.11

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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.