Home / 1,049,720.90-1,574,734.95-339,628.10

Finding the Fourth Proportional to 1,049,720.90, 1,574,734.95 and 339,628.10

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Solution

The fourth proportional to 1,049,720.90, 1,574,734.95 and 339,628.10 is: 509,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,720.90 : 1,574,734.95 = 339,628.10 : x
  2. Step 2: Convert to fraction form
    1,049,720.90/1,574,734.95 = 339,628.10/x
  3. Step 3: Cross multiply
    1,049,720.90x = 1,574,734.95 × 339,628.10
  4. Step 4: Simplify right side
    1,049,720.90x = 534,824,239,072.10
  5. Step 5: Solve for x
    x = 534,824,239,072.10/1,049,720.90
  6. Step 6: Final answer
    x = 509,491.85

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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.