Home / 1,670,628.80-2,505,943.20-997,470.20

Finding the Fourth Proportional to 1,670,628.80, 2,505,943.20 and 997,470.20

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Solution

The fourth proportional to 1,670,628.80, 2,505,943.20 and 997,470.20 is: 1,496,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,628.80 : 2,505,943.20 = 997,470.20 : x
  2. Step 2: Convert to fraction form
    1,670,628.80/2,505,943.20 = 997,470.20/x
  3. Step 3: Cross multiply
    1,670,628.80x = 2,505,943.20 × 997,470.20
  4. Step 4: Simplify right side
    1,670,628.80x = 2,499,603,664,892.64
  5. Step 5: Solve for x
    x = 2,499,603,664,892.64/1,670,628.80
  6. Step 6: Final answer
    x = 1,496,205.30

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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.