Home / 1,299,206.40-1,947,254.40-667,795.20

Finding the Fourth Proportional to 1,299,206.40, 1,947,254.40 and 667,795.20

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Solution

The fourth proportional to 1,299,206.40, 1,947,254.40 and 667,795.20 is: 1,000,893.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,206.40 : 1,947,254.40 = 667,795.20 : x
  2. Step 2: Convert to fraction form
    1,299,206.40/1,947,254.40 = 667,795.20/x
  3. Step 3: Cross multiply
    1,299,206.40x = 1,947,254.40 × 667,795.20
  4. Step 4: Simplify right side
    1,299,206.40x = 1,300,367,141,498.88
  5. Step 5: Solve for x
    x = 1,300,367,141,498.88/1,299,206.40
  6. Step 6: Final answer
    x = 1,000,893.42

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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.