Home / 1,557,783.47-2,148,046.47-1,012,908.82

Finding the Fourth Proportional to 1,557,783.47, 2,148,046.47 and 1,012,908.82

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Solution

The fourth proportional to 1,557,783.47, 2,148,046.47 and 1,012,908.82 is: 1,396,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,783.47 : 2,148,046.47 = 1,012,908.82 : x
  2. Step 2: Convert to fraction form
    1,557,783.47/2,148,046.47 = 1,012,908.82/x
  3. Step 3: Cross multiply
    1,557,783.47x = 2,148,046.47 × 1,012,908.82
  4. Step 4: Simplify right side
    1,557,783.47x = 2,175,775,223,492.70
  5. Step 5: Solve for x
    x = 2,175,775,223,492.70/1,557,783.47
  6. Step 6: Final answer
    x = 1,396,712.23

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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.