Home / 1,037,156.87-1,556,462.52-429,954.55

Finding the Fourth Proportional to 1,037,156.87, 1,556,462.52 and 429,954.55

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Solution

The fourth proportional to 1,037,156.87, 1,556,462.52 and 429,954.55 is: 645,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,156.87 : 1,556,462.52 = 429,954.55 : x
  2. Step 2: Convert to fraction form
    1,037,156.87/1,556,462.52 = 429,954.55/x
  3. Step 3: Cross multiply
    1,037,156.87x = 1,556,462.52 × 429,954.55
  4. Step 4: Simplify right side
    1,037,156.87x = 669,208,138,487.31
  5. Step 5: Solve for x
    x = 669,208,138,487.31/1,037,156.87
  6. Step 6: Final answer
    x = 645,233.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.