Home / 1,043,141.80-1,438,122.18-891,805.54

Finding the Fourth Proportional to 1,043,141.80, 1,438,122.18 and 891,805.54

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Solution

The fourth proportional to 1,043,141.80, 1,438,122.18 and 891,805.54 is: 1,229,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,141.80 : 1,438,122.18 = 891,805.54 : x
  2. Step 2: Convert to fraction form
    1,043,141.80/1,438,122.18 = 891,805.54/x
  3. Step 3: Cross multiply
    1,043,141.80x = 1,438,122.18 × 891,805.54
  4. Step 4: Simplify right side
    1,043,141.80x = 1,282,525,327,320.88
  5. Step 5: Solve for x
    x = 1,282,525,327,320.88/1,043,141.80
  6. Step 6: Final answer
    x = 1,229,483.21

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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.