Home / 1,465,643.20-2,198,464.80-1,335,006.40

Finding the Fourth Proportional to 1,465,643.20, 2,198,464.80 and 1,335,006.40

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Solution

The fourth proportional to 1,465,643.20, 2,198,464.80 and 1,335,006.40 is: 2,002,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,643.20 : 2,198,464.80 = 1,335,006.40 : x
  2. Step 2: Convert to fraction form
    1,465,643.20/2,198,464.80 = 1,335,006.40/x
  3. Step 3: Cross multiply
    1,465,643.20x = 2,198,464.80 × 1,335,006.40
  4. Step 4: Simplify right side
    1,465,643.20x = 2,934,964,578,174.72
  5. Step 5: Solve for x
    x = 2,934,964,578,174.72/1,465,643.20
  6. Step 6: Final answer
    x = 2,002,509.60

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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.