Home / 1,603,369.60-2,406,415.20-657,419.20

Finding the Fourth Proportional to 1,603,369.60, 2,406,415.20 and 657,419.20

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Solution

The fourth proportional to 1,603,369.60, 2,406,415.20 and 657,419.20 is: 986,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,369.60 : 2,406,415.20 = 657,419.20 : x
  2. Step 2: Convert to fraction form
    1,603,369.60/2,406,415.20 = 657,419.20/x
  3. Step 3: Cross multiply
    1,603,369.60x = 2,406,415.20 × 657,419.20
  4. Step 4: Simplify right side
    1,603,369.60x = 1,582,023,555,651.84
  5. Step 5: Solve for x
    x = 1,582,023,555,651.84/1,603,369.60
  6. Step 6: Final answer
    x = 986,686.76

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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.