Home / 1,337,148.32-2,005,726.80-339,876.32

Finding the Fourth Proportional to 1,337,148.32, 2,005,726.80 and 339,876.32

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Solution

The fourth proportional to 1,337,148.32, 2,005,726.80 and 339,876.32 is: 509,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,148.32 : 2,005,726.80 = 339,876.32 : x
  2. Step 2: Convert to fraction form
    1,337,148.32/2,005,726.80 = 339,876.32/x
  3. Step 3: Cross multiply
    1,337,148.32x = 2,005,726.80 × 339,876.32
  4. Step 4: Simplify right side
    1,337,148.32x = 681,699,043,709.38
  5. Step 5: Solve for x
    x = 681,699,043,709.38/1,337,148.32
  6. Step 6: Final answer
    x = 509,815.58

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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.