Home / 1,670,047.20-2,505,070.80-725,263.20

Finding the Fourth Proportional to 1,670,047.20, 2,505,070.80 and 725,263.20

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Solution

The fourth proportional to 1,670,047.20, 2,505,070.80 and 725,263.20 is: 1,087,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,047.20 : 2,505,070.80 = 725,263.20 : x
  2. Step 2: Convert to fraction form
    1,670,047.20/2,505,070.80 = 725,263.20/x
  3. Step 3: Cross multiply
    1,670,047.20x = 2,505,070.80 × 725,263.20
  4. Step 4: Simplify right side
    1,670,047.20x = 1,816,835,664,634.56
  5. Step 5: Solve for x
    x = 1,816,835,664,634.56/1,670,047.20
  6. Step 6: Final answer
    x = 1,087,894.80

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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.