Home / 1,339,806.28-1,848,825.14-766,715.08

Finding the Fourth Proportional to 1,339,806.28, 1,848,825.14 and 766,715.08

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Solution

The fourth proportional to 1,339,806.28, 1,848,825.14 and 766,715.08 is: 1,058,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,806.28 : 1,848,825.14 = 766,715.08 : x
  2. Step 2: Convert to fraction form
    1,339,806.28/1,848,825.14 = 766,715.08/x
  3. Step 3: Cross multiply
    1,339,806.28x = 1,848,825.14 × 766,715.08
  4. Step 4: Simplify right side
    1,339,806.28x = 1,417,522,115,121.11
  5. Step 5: Solve for x
    x = 1,417,522,115,121.11/1,339,806.28
  6. Step 6: Final answer
    x = 1,058,005.28

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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.