Home / 1,764,645.12-2,646,829.44-642,965.76

Finding the Fourth Proportional to 1,764,645.12, 2,646,829.44 and 642,965.76

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Solution

The fourth proportional to 1,764,645.12, 2,646,829.44 and 642,965.76 is: 964,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,645.12 : 2,646,829.44 = 642,965.76 : x
  2. Step 2: Convert to fraction form
    1,764,645.12/2,646,829.44 = 642,965.76/x
  3. Step 3: Cross multiply
    1,764,645.12x = 2,646,829.44 × 642,965.76
  4. Step 4: Simplify right side
    1,764,645.12x = 1,701,820,702,479.97
  5. Step 5: Solve for x
    x = 1,701,820,702,479.97/1,764,645.12
  6. Step 6: Final answer
    x = 964,398.27

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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.