Home / 1,143,317.89-1,715,108.05-384,899.09

Finding the Fourth Proportional to 1,143,317.89, 1,715,108.05 and 384,899.09

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Solution

The fourth proportional to 1,143,317.89, 1,715,108.05 and 384,899.09 is: 577,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,317.89 : 1,715,108.05 = 384,899.09 : x
  2. Step 2: Convert to fraction form
    1,143,317.89/1,715,108.05 = 384,899.09/x
  3. Step 3: Cross multiply
    1,143,317.89x = 1,715,108.05 × 384,899.09
  4. Step 4: Simplify right side
    1,143,317.89x = 660,143,528,167.21
  5. Step 5: Solve for x
    x = 660,143,528,167.21/1,143,317.89
  6. Step 6: Final answer
    x = 577,392.81

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1.5x scale

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.