Home / 1,339,897.74-2,009,813.40-329,011.26

Finding the Fourth Proportional to 1,339,897.74, 2,009,813.40 and 329,011.26

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Solution

The fourth proportional to 1,339,897.74, 2,009,813.40 and 329,011.26 is: 493,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,897.74 : 2,009,813.40 = 329,011.26 : x
  2. Step 2: Convert to fraction form
    1,339,897.74/2,009,813.40 = 329,011.26/x
  3. Step 3: Cross multiply
    1,339,897.74x = 2,009,813.40 × 329,011.26
  4. Step 4: Simplify right side
    1,339,897.74x = 661,251,239,098.88
  5. Step 5: Solve for x
    x = 661,251,239,098.88/1,339,897.74
  6. Step 6: Final answer
    x = 493,508.74

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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.