Home / 1,271,747.73-1,909,240.29-824,340.81

Finding the Fourth Proportional to 1,271,747.73, 1,909,240.29 and 824,340.81

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Solution

The fourth proportional to 1,271,747.73, 1,909,240.29 and 824,340.81 is: 1,237,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,747.73 : 1,909,240.29 = 824,340.81 : x
  2. Step 2: Convert to fraction form
    1,271,747.73/1,909,240.29 = 824,340.81/x
  3. Step 3: Cross multiply
    1,271,747.73x = 1,909,240.29 × 824,340.81
  4. Step 4: Simplify right side
    1,271,747.73x = 1,573,864,687,143.24
  5. Step 5: Solve for x
    x = 1,573,864,687,143.24/1,271,747.73
  6. Step 6: Final answer
    x = 1,237,560.45

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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.