Home / 1,029,538.62-1,543,394.25-389,394.54

Finding the Fourth Proportional to 1,029,538.62, 1,543,394.25 and 389,394.54

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Solution

The fourth proportional to 1,029,538.62, 1,543,394.25 and 389,394.54 is: 583,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,538.62 : 1,543,394.25 = 389,394.54 : x
  2. Step 2: Convert to fraction form
    1,029,538.62/1,543,394.25 = 389,394.54/x
  3. Step 3: Cross multiply
    1,029,538.62x = 1,543,394.25 × 389,394.54
  4. Step 4: Simplify right side
    1,029,538.62x = 600,989,294,017.40
  5. Step 5: Solve for x
    x = 600,989,294,017.40/1,029,538.62
  6. Step 6: Final answer
    x = 583,746.24

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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.