Home / 1,605,740.86-2,408,612.37-407,753.02

Finding the Fourth Proportional to 1,605,740.86, 2,408,612.37 and 407,753.02

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Solution

The fourth proportional to 1,605,740.86, 2,408,612.37 and 407,753.02 is: 611,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,740.86 : 2,408,612.37 = 407,753.02 : x
  2. Step 2: Convert to fraction form
    1,605,740.86/2,408,612.37 = 407,753.02/x
  3. Step 3: Cross multiply
    1,605,740.86x = 2,408,612.37 × 407,753.02
  4. Step 4: Simplify right side
    1,605,740.86x = 982,118,967,876.86
  5. Step 5: Solve for x
    x = 982,118,967,876.86/1,605,740.86
  6. Step 6: Final answer
    x = 611,629.80

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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.