Home / 1,271,762.88-1,906,972.56-561,455.52

Finding the Fourth Proportional to 1,271,762.88, 1,906,972.56 and 561,455.52

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Solution

The fourth proportional to 1,271,762.88, 1,906,972.56 and 561,455.52 is: 841,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,762.88 : 1,906,972.56 = 561,455.52 : x
  2. Step 2: Convert to fraction form
    1,271,762.88/1,906,972.56 = 561,455.52/x
  3. Step 3: Cross multiply
    1,271,762.88x = 1,906,972.56 × 561,455.52
  4. Step 4: Simplify right side
    1,271,762.88x = 1,070,680,270,300.53
  5. Step 5: Solve for x
    x = 1,070,680,270,300.53/1,271,762.88
  6. Step 6: Final answer
    x = 841,886.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.