Home / 1,049,731.90-1,574,751.45-339,639.10

Finding the Fourth Proportional to 1,049,731.90, 1,574,751.45 and 339,639.10

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Solution

The fourth proportional to 1,049,731.90, 1,574,751.45 and 339,639.10 is: 509,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,731.90 : 1,574,751.45 = 339,639.10 : x
  2. Step 2: Convert to fraction form
    1,049,731.90/1,574,751.45 = 339,639.10/x
  3. Step 3: Cross multiply
    1,049,731.90x = 1,574,751.45 × 339,639.10
  4. Step 4: Simplify right side
    1,049,731.90x = 534,847,165,201.70
  5. Step 5: Solve for x
    x = 534,847,165,201.70/1,049,731.90
  6. Step 6: Final answer
    x = 509,508.35

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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.