Home / 1,645,844.91-2,271,177.52-910,766.89

Finding the Fourth Proportional to 1,645,844.91, 2,271,177.52 and 910,766.89

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Solution

The fourth proportional to 1,645,844.91, 2,271,177.52 and 910,766.89 is: 1,256,809.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,844.91 : 2,271,177.52 = 910,766.89 : x
  2. Step 2: Convert to fraction form
    1,645,844.91/2,271,177.52 = 910,766.89/x
  3. Step 3: Cross multiply
    1,645,844.91x = 2,271,177.52 × 910,766.89
  4. Step 4: Simplify right side
    1,645,844.91x = 2,068,513,286,528.31
  5. Step 5: Solve for x
    x = 2,068,513,286,528.31/1,645,844.91
  6. Step 6: Final answer
    x = 1,256,809.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.