Home / 1,628,586.31-2,442,897.13-491,358.68

Finding the Fourth Proportional to 1,628,586.31, 2,442,897.13 and 491,358.68

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Solution

The fourth proportional to 1,628,586.31, 2,442,897.13 and 491,358.68 is: 737,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,586.31 : 2,442,897.13 = 491,358.68 : x
  2. Step 2: Convert to fraction form
    1,628,586.31/2,442,897.13 = 491,358.68/x
  3. Step 3: Cross multiply
    1,628,586.31x = 2,442,897.13 × 491,358.68
  4. Step 4: Simplify right side
    1,628,586.31x = 1,200,338,709,172.59
  5. Step 5: Solve for x
    x = 1,200,338,709,172.59/1,628,586.31
  6. Step 6: Final answer
    x = 737,043.35

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Double scale
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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.