Home / 1,720,009.60-2,580,014.40-440,614.60

Finding the Fourth Proportional to 1,720,009.60, 2,580,014.40 and 440,614.60

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Solution

The fourth proportional to 1,720,009.60, 2,580,014.40 and 440,614.60 is: 660,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,009.60 : 2,580,014.40 = 440,614.60 : x
  2. Step 2: Convert to fraction form
    1,720,009.60/2,580,014.40 = 440,614.60/x
  3. Step 3: Cross multiply
    1,720,009.60x = 2,580,014.40 × 440,614.60
  4. Step 4: Simplify right side
    1,720,009.60x = 1,136,792,012,850.24
  5. Step 5: Solve for x
    x = 1,136,792,012,850.24/1,720,009.60
  6. Step 6: Final answer
    x = 660,921.90

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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.