Home / 1,038,673.22-1,558,211.83-398,930.16

Finding the Fourth Proportional to 1,038,673.22, 1,558,211.83 and 398,930.16

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Solution

The fourth proportional to 1,038,673.22, 1,558,211.83 and 398,930.16 is: 598,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,673.22 : 1,558,211.83 = 398,930.16 : x
  2. Step 2: Convert to fraction form
    1,038,673.22/1,558,211.83 = 398,930.16/x
  3. Step 3: Cross multiply
    1,038,673.22x = 1,558,211.83 × 398,930.16
  4. Step 4: Simplify right side
    1,038,673.22x = 621,617,693,658.47
  5. Step 5: Solve for x
    x = 621,617,693,658.47/1,038,673.22
  6. Step 6: Final answer
    x = 598,472.82

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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.