Home / 1,038,673.47-1,558,212.20-398,930.41

Finding the Fourth Proportional to 1,038,673.47, 1,558,212.20 and 398,930.41

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Solution

The fourth proportional to 1,038,673.47, 1,558,212.20 and 398,930.41 is: 598,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,673.47 : 1,558,212.20 = 398,930.41 : x
  2. Step 2: Convert to fraction form
    1,038,673.47/1,558,212.20 = 398,930.41/x
  3. Step 3: Cross multiply
    1,038,673.47x = 1,558,212.20 × 398,930.41
  4. Step 4: Simplify right side
    1,038,673.47x = 621,618,231,813.00
  5. Step 5: Solve for x
    x = 621,618,231,813.00/1,038,673.47
  6. Step 6: Final answer
    x = 598,473.20

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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.