Home / 1,503,031.52-2,074,140.60-858,438.38

Finding the Fourth Proportional to 1,503,031.52, 2,074,140.60 and 858,438.38

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Solution

The fourth proportional to 1,503,031.52, 2,074,140.60 and 858,438.38 is: 1,184,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,031.52 : 2,074,140.60 = 858,438.38 : x
  2. Step 2: Convert to fraction form
    1,503,031.52/2,074,140.60 = 858,438.38/x
  3. Step 3: Cross multiply
    1,503,031.52x = 2,074,140.60 × 858,438.38
  4. Step 4: Simplify right side
    1,503,031.52x = 1,780,521,896,556.23
  5. Step 5: Solve for x
    x = 1,780,521,896,556.23/1,503,031.52
  6. Step 6: Final answer
    x = 1,184,620.46

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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.