Home / 1,289,894.02-1,935,073.80-531,321.46

Finding the Fourth Proportional to 1,289,894.02, 1,935,073.80 and 531,321.46

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Solution

The fourth proportional to 1,289,894.02, 1,935,073.80 and 531,321.46 is: 797,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,894.02 : 1,935,073.80 = 531,321.46 : x
  2. Step 2: Convert to fraction form
    1,289,894.02/1,935,073.80 = 531,321.46/x
  3. Step 3: Cross multiply
    1,289,894.02x = 1,935,073.80 × 531,321.46
  4. Step 4: Simplify right side
    1,289,894.02x = 1,028,146,236,623.75
  5. Step 5: Solve for x
    x = 1,028,146,236,623.75/1,289,894.02
  6. Step 6: Final answer
    x = 797,078.07

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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.