Home / 1,605,739.86-2,408,610.87-407,752.02

Finding the Fourth Proportional to 1,605,739.86, 2,408,610.87 and 407,752.02

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Solution

The fourth proportional to 1,605,739.86, 2,408,610.87 and 407,752.02 is: 611,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,739.86 : 2,408,610.87 = 407,752.02 : x
  2. Step 2: Convert to fraction form
    1,605,739.86/2,408,610.87 = 407,752.02/x
  3. Step 3: Cross multiply
    1,605,739.86x = 2,408,610.87 × 407,752.02
  4. Step 4: Simplify right side
    1,605,739.86x = 982,115,947,636.46
  5. Step 5: Solve for x
    x = 982,115,947,636.46/1,605,739.86
  6. Step 6: Final answer
    x = 611,628.30

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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.