Home / 1,571,225.20-2,356,837.80-389,273.20

Finding the Fourth Proportional to 1,571,225.20, 2,356,837.80 and 389,273.20

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Solution

The fourth proportional to 1,571,225.20, 2,356,837.80 and 389,273.20 is: 583,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,225.20 : 2,356,837.80 = 389,273.20 : x
  2. Step 2: Convert to fraction form
    1,571,225.20/2,356,837.80 = 389,273.20/x
  3. Step 3: Cross multiply
    1,571,225.20x = 2,356,837.80 × 389,273.20
  4. Step 4: Simplify right side
    1,571,225.20x = 917,453,792,286.96
  5. Step 5: Solve for x
    x = 917,453,792,286.96/1,571,225.20
  6. Step 6: Final answer
    x = 583,909.80

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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.