Home / 1,710,221.60-2,563,728.60-645,978.80

Finding the Fourth Proportional to 1,710,221.60, 2,563,728.60 and 645,978.80

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Solution

The fourth proportional to 1,710,221.60, 2,563,728.60 and 645,978.80 is: 968,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,221.60 : 2,563,728.60 = 645,978.80 : x
  2. Step 2: Convert to fraction form
    1,710,221.60/2,563,728.60 = 645,978.80/x
  3. Step 3: Cross multiply
    1,710,221.60x = 2,563,728.60 × 645,978.80
  4. Step 4: Simplify right side
    1,710,221.60x = 1,656,114,324,553.68
  5. Step 5: Solve for x
    x = 1,656,114,324,553.68/1,710,221.60
  6. Step 6: Final answer
    x = 968,362.42

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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.