Home / 1,149,106.50-1,723,988.61-391,114.98

Finding the Fourth Proportional to 1,149,106.50, 1,723,988.61 and 391,114.98

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Solution

The fourth proportional to 1,149,106.50, 1,723,988.61 and 391,114.98 is: 586,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,106.50 : 1,723,988.61 = 391,114.98 : x
  2. Step 2: Convert to fraction form
    1,149,106.50/1,723,988.61 = 391,114.98/x
  3. Step 3: Cross multiply
    1,149,106.50x = 1,723,988.61 × 391,114.98
  4. Step 4: Simplify right side
    1,149,106.50x = 674,277,770,720.38
  5. Step 5: Solve for x
    x = 674,277,770,720.38/1,149,106.50
  6. Step 6: Final answer
    x = 586,784.40

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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.