Home / 1,295,427.40-1,943,141.10-408,848.20

Finding the Fourth Proportional to 1,295,427.40, 1,943,141.10 and 408,848.20

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Solution

The fourth proportional to 1,295,427.40, 1,943,141.10 and 408,848.20 is: 613,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,427.40 : 1,943,141.10 = 408,848.20 : x
  2. Step 2: Convert to fraction form
    1,295,427.40/1,943,141.10 = 408,848.20/x
  3. Step 3: Cross multiply
    1,295,427.40x = 1,943,141.10 × 408,848.20
  4. Step 4: Simplify right side
    1,295,427.40x = 794,449,741,081.02
  5. Step 5: Solve for x
    x = 794,449,741,081.02/1,295,427.40
  6. Step 6: Final answer
    x = 613,272.30

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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.