Home / 1,299,463.47-1,945,394.28-758,064.33

Finding the Fourth Proportional to 1,299,463.47, 1,945,394.28 and 758,064.33

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Solution

The fourth proportional to 1,299,463.47, 1,945,394.28 and 758,064.33 is: 1,134,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,463.47 : 1,945,394.28 = 758,064.33 : x
  2. Step 2: Convert to fraction form
    1,299,463.47/1,945,394.28 = 758,064.33/x
  3. Step 3: Cross multiply
    1,299,463.47x = 1,945,394.28 × 758,064.33
  4. Step 4: Simplify right side
    1,299,463.47x = 1,474,734,011,454.03
  5. Step 5: Solve for x
    x = 1,474,734,011,454.03/1,299,463.47
  6. Step 6: Final answer
    x = 1,134,879.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.