Home / 1,556,985.24-2,148,272.91-945,122.85

Finding the Fourth Proportional to 1,556,985.24, 2,148,272.91 and 945,122.85

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Solution

The fourth proportional to 1,556,985.24, 2,148,272.91 and 945,122.85 is: 1,304,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,985.24 : 2,148,272.91 = 945,122.85 : x
  2. Step 2: Convert to fraction form
    1,556,985.24/2,148,272.91 = 945,122.85/x
  3. Step 3: Cross multiply
    1,556,985.24x = 2,148,272.91 × 945,122.85
  4. Step 4: Simplify right side
    1,556,985.24x = 2,030,381,815,276.99
  5. Step 5: Solve for x
    x = 2,030,381,815,276.99/1,556,985.24
  6. Step 6: Final answer
    x = 1,304,046.93

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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.