Home / 1,038,672.30-1,558,210.44-398,929.23

Finding the Fourth Proportional to 1,038,672.30, 1,558,210.44 and 398,929.23

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Solution

The fourth proportional to 1,038,672.30, 1,558,210.44 and 398,929.23 is: 598,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,672.30 : 1,558,210.44 = 398,929.23 : x
  2. Step 2: Convert to fraction form
    1,038,672.30/1,558,210.44 = 398,929.23/x
  3. Step 3: Cross multiply
    1,038,672.30x = 1,558,210.44 × 398,929.23
  4. Step 4: Simplify right side
    1,038,672.30x = 621,615,691,007.16
  5. Step 5: Solve for x
    x = 621,615,691,007.16/1,038,672.30
  6. Step 6: Final answer
    x = 598,471.42

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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.