Home / 1,038,673.30-1,558,211.94-398,930.23

Finding the Fourth Proportional to 1,038,673.30, 1,558,211.94 and 398,930.23

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Solution

The fourth proportional to 1,038,673.30, 1,558,211.94 and 398,930.23 is: 598,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,673.30 : 1,558,211.94 = 398,930.23 : x
  2. Step 2: Convert to fraction form
    1,038,673.30/1,558,211.94 = 398,930.23/x
  3. Step 3: Cross multiply
    1,038,673.30x = 1,558,211.94 × 398,930.23
  4. Step 4: Simplify right side
    1,038,673.30x = 621,617,847,612.95
  5. Step 5: Solve for x
    x = 621,617,847,612.95/1,038,673.30
  6. Step 6: Final answer
    x = 598,472.92

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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.