Home / 1,605,051.76-2,408,365.67-645,468.56

Finding the Fourth Proportional to 1,605,051.76, 2,408,365.67 and 645,468.56

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Solution

The fourth proportional to 1,605,051.76, 2,408,365.67 and 645,468.56 is: 968,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,051.76 : 2,408,365.67 = 645,468.56 : x
  2. Step 2: Convert to fraction form
    1,605,051.76/2,408,365.67 = 645,468.56/x
  3. Step 3: Cross multiply
    1,605,051.76x = 2,408,365.67 × 645,468.56
  4. Step 4: Simplify right side
    1,605,051.76x = 1,554,524,320,968.34
  5. Step 5: Solve for x
    x = 1,554,524,320,968.34/1,605,051.76
  6. Step 6: Final answer
    x = 968,519.74

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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.