Home / 1,430,945.20-1,974,891-923,124.88

Finding the Fourth Proportional to 1,430,945.20, 1,974,891 and 923,124.88

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Solution

The fourth proportional to 1,430,945.20, 1,974,891 and 923,124.88 is: 1,274,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,945.20 : 1,974,891 = 923,124.88 : x
  2. Step 2: Convert to fraction form
    1,430,945.20/1,974,891 = 923,124.88/x
  3. Step 3: Cross multiply
    1,430,945.20x = 1,974,891 × 923,124.88
  4. Step 4: Simplify right side
    1,430,945.20x = 1,823,071,017,388.08
  5. Step 5: Solve for x
    x = 1,823,071,017,388.08/1,430,945.20
  6. Step 6: Final answer
    x = 1,274,032.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.