Home / 1,321,446.38-1,823,441.29-777,462.53

Finding the Fourth Proportional to 1,321,446.38, 1,823,441.29 and 777,462.53

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Solution

The fourth proportional to 1,321,446.38, 1,823,441.29 and 777,462.53 is: 1,072,807.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,446.38 : 1,823,441.29 = 777,462.53 : x
  2. Step 2: Convert to fraction form
    1,321,446.38/1,823,441.29 = 777,462.53/x
  3. Step 3: Cross multiply
    1,321,446.38x = 1,823,441.29 × 777,462.53
  4. Step 4: Simplify right side
    1,321,446.38x = 1,417,657,267,569.00
  5. Step 5: Solve for x
    x = 1,417,657,267,569.00/1,321,446.38
  6. Step 6: Final answer
    x = 1,072,807.26

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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.