Home / 1,659,784.40-2,485,529.40-1,328,008.40

Finding the Fourth Proportional to 1,659,784.40, 2,485,529.40 and 1,328,008.40

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Solution

The fourth proportional to 1,659,784.40, 2,485,529.40 and 1,328,008.40 is: 1,988,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,784.40 : 2,485,529.40 = 1,328,008.40 : x
  2. Step 2: Convert to fraction form
    1,659,784.40/2,485,529.40 = 1,328,008.40/x
  3. Step 3: Cross multiply
    1,659,784.40x = 2,485,529.40 × 1,328,008.40
  4. Step 4: Simplify right side
    1,659,784.40x = 3,300,803,921,646.96
  5. Step 5: Solve for x
    x = 3,300,803,921,646.96/1,659,784.40
  6. Step 6: Final answer
    x = 1,988,694.39

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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.