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Finding the Fourth Proportional to 1,362,472.96, 1,880,019.84 and 773,752

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Solution

The fourth proportional to 1,362,472.96, 1,880,019.84 and 773,752 is: 1,067,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,472.96 : 1,880,019.84 = 773,752 : x
  2. Step 2: Convert to fraction form
    1,362,472.96/1,880,019.84 = 773,752/x
  3. Step 3: Cross multiply
    1,362,472.96x = 1,880,019.84 × 773,752
  4. Step 4: Simplify right side
    1,362,472.96x = 1,454,669,111,239.68
  5. Step 5: Solve for x
    x = 1,454,669,111,239.68/1,362,472.96
  6. Step 6: Final answer
    x = 1,067,668.24

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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.