Home / 1,571,398.78-2,168,544.62-951,218.20

Finding the Fourth Proportional to 1,571,398.78, 2,168,544.62 and 951,218.20

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Solution

The fourth proportional to 1,571,398.78, 2,168,544.62 and 951,218.20 is: 1,312,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,398.78 : 2,168,544.62 = 951,218.20 : x
  2. Step 2: Convert to fraction form
    1,571,398.78/2,168,544.62 = 951,218.20/x
  3. Step 3: Cross multiply
    1,571,398.78x = 2,168,544.62 × 951,218.20
  4. Step 4: Simplify right side
    1,571,398.78x = 2,062,759,105,728.19
  5. Step 5: Solve for x
    x = 2,062,759,105,728.19/1,571,398.78
  6. Step 6: Final answer
    x = 1,312,689.78

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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.