Home / 1,579,280.49-2,179,675.04-891,147.42

Finding the Fourth Proportional to 1,579,280.49, 2,179,675.04 and 891,147.42

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Solution

The fourth proportional to 1,579,280.49, 2,179,675.04 and 891,147.42 is: 1,229,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,280.49 : 2,179,675.04 = 891,147.42 : x
  2. Step 2: Convert to fraction form
    1,579,280.49/2,179,675.04 = 891,147.42/x
  3. Step 3: Cross multiply
    1,579,280.49x = 2,179,675.04 × 891,147.42
  4. Step 4: Simplify right side
    1,579,280.49x = 1,942,411,783,878.66
  5. Step 5: Solve for x
    x = 1,942,411,783,878.66/1,579,280.49
  6. Step 6: Final answer
    x = 1,229,934.64

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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.