Home / 1,759,447.98-2,639,125.80-561,443.40

Finding the Fourth Proportional to 1,759,447.98, 2,639,125.80 and 561,443.40

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Solution

The fourth proportional to 1,759,447.98, 2,639,125.80 and 561,443.40 is: 842,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,447.98 : 2,639,125.80 = 561,443.40 : x
  2. Step 2: Convert to fraction form
    1,759,447.98/2,639,125.80 = 561,443.40/x
  3. Step 3: Cross multiply
    1,759,447.98x = 2,639,125.80 × 561,443.40
  4. Step 4: Simplify right side
    1,759,447.98x = 1,481,719,762,179.72
  5. Step 5: Solve for x
    x = 1,481,719,762,179.72/1,759,447.98
  6. Step 6: Final answer
    x = 842,150.37

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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.