Home / 1,483,390.97-2,047,119.78-838,907.54

Finding the Fourth Proportional to 1,483,390.97, 2,047,119.78 and 838,907.54

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Solution

The fourth proportional to 1,483,390.97, 2,047,119.78 and 838,907.54 is: 1,157,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483,390.97 : 2,047,119.78 = 838,907.54 : x
  2. Step 2: Convert to fraction form
    1,483,390.97/2,047,119.78 = 838,907.54/x
  3. Step 3: Cross multiply
    1,483,390.97x = 2,047,119.78 × 838,907.54
  4. Step 4: Simplify right side
    1,483,390.97x = 1,717,344,208,489.54
  5. Step 5: Solve for x
    x = 1,717,344,208,489.54/1,483,390.97
  6. Step 6: Final answer
    x = 1,157,715.16

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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.