Home / 1,049,669.60-1,574,698.80-339,720.80

Finding the Fourth Proportional to 1,049,669.60, 1,574,698.80 and 339,720.80

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Solution

The fourth proportional to 1,049,669.60, 1,574,698.80 and 339,720.80 is: 509,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,669.60 : 1,574,698.80 = 339,720.80 : x
  2. Step 2: Convert to fraction form
    1,049,669.60/1,574,698.80 = 339,720.80/x
  3. Step 3: Cross multiply
    1,049,669.60x = 1,574,698.80 × 339,720.80
  4. Step 4: Simplify right side
    1,049,669.60x = 534,957,936,095.04
  5. Step 5: Solve for x
    x = 534,957,936,095.04/1,049,669.60
  6. Step 6: Final answer
    x = 509,644.12

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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.