Home / 1,049,760.42-1,574,890.51-339,788.40

Finding the Fourth Proportional to 1,049,760.42, 1,574,890.51 and 339,788.40

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Solution

The fourth proportional to 1,049,760.42, 1,574,890.51 and 339,788.40 is: 509,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,760.42 : 1,574,890.51 = 339,788.40 : x
  2. Step 2: Convert to fraction form
    1,049,760.42/1,574,890.51 = 339,788.40/x
  3. Step 3: Cross multiply
    1,049,760.42x = 1,574,890.51 × 339,788.40
  4. Step 4: Simplify right side
    1,049,760.42x = 535,129,526,568.08
  5. Step 5: Solve for x
    x = 535,129,526,568.08/1,049,760.42
  6. Step 6: Final answer
    x = 509,763.48

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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.