Home / 1,275,604.61-1,913,409.54-1,197,659.93

Finding the Fourth Proportional to 1,275,604.61, 1,913,409.54 and 1,197,659.93

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Solution

The fourth proportional to 1,275,604.61, 1,913,409.54 and 1,197,659.93 is: 1,796,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,604.61 : 1,913,409.54 = 1,197,659.93 : x
  2. Step 2: Convert to fraction form
    1,275,604.61/1,913,409.54 = 1,197,659.93/x
  3. Step 3: Cross multiply
    1,275,604.61x = 1,913,409.54 × 1,197,659.93
  4. Step 4: Simplify right side
    1,275,604.61x = 2,291,613,926,170.68
  5. Step 5: Solve for x
    x = 2,291,613,926,170.68/1,275,604.61
  6. Step 6: Final answer
    x = 1,796,492.36

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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.