Home / 1,335,063.47-2,002,650.48-388,434.20

Finding the Fourth Proportional to 1,335,063.47, 2,002,650.48 and 388,434.20

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Solution

The fourth proportional to 1,335,063.47, 2,002,650.48 and 388,434.20 is: 582,667.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,063.47 : 2,002,650.48 = 388,434.20 : x
  2. Step 2: Convert to fraction form
    1,335,063.47/2,002,650.48 = 388,434.20/x
  3. Step 3: Cross multiply
    1,335,063.47x = 2,002,650.48 × 388,434.20
  4. Step 4: Simplify right side
    1,335,063.47x = 777,897,927,065.16
  5. Step 5: Solve for x
    x = 777,897,927,065.16/1,335,063.47
  6. Step 6: Final answer
    x = 582,667.38

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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.