Home / 1,019,319.53-1,528,943.85-261,167.29

Finding the Fourth Proportional to 1,019,319.53, 1,528,943.85 and 261,167.29

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Solution

The fourth proportional to 1,019,319.53, 1,528,943.85 and 261,167.29 is: 391,741.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,319.53 : 1,528,943.85 = 261,167.29 : x
  2. Step 2: Convert to fraction form
    1,019,319.53/1,528,943.85 = 261,167.29/x
  3. Step 3: Cross multiply
    1,019,319.53x = 1,528,943.85 × 261,167.29
  4. Step 4: Simplify right side
    1,019,319.53x = 399,310,118,044.31
  5. Step 5: Solve for x
    x = 399,310,118,044.31/1,019,319.53
  6. Step 6: Final answer
    x = 391,741.85

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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.