Home / 1,019,317.98-1,528,985.99-309,345.90

Finding the Fourth Proportional to 1,019,317.98, 1,528,985.99 and 309,345.90

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Solution

The fourth proportional to 1,019,317.98, 1,528,985.99 and 309,345.90 is: 464,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,317.98 : 1,528,985.99 = 309,345.90 : x
  2. Step 2: Convert to fraction form
    1,019,317.98/1,528,985.99 = 309,345.90/x
  3. Step 3: Cross multiply
    1,019,317.98x = 1,528,985.99 × 309,345.90
  4. Step 4: Simplify right side
    1,019,317.98x = 472,985,542,203.61
  5. Step 5: Solve for x
    x = 472,985,542,203.61/1,019,317.98
  6. Step 6: Final answer
    x = 464,021.58

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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.