Home / 1,600,661-2,400,995.60-654,031.72

Finding the Fourth Proportional to 1,600,661, 2,400,995.60 and 654,031.72

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Solution

The fourth proportional to 1,600,661, 2,400,995.60 and 654,031.72 is: 981,049.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,661 : 2,400,995.60 = 654,031.72 : x
  2. Step 2: Convert to fraction form
    1,600,661/2,400,995.60 = 654,031.72/x
  3. Step 3: Cross multiply
    1,600,661x = 2,400,995.60 × 654,031.72
  4. Step 4: Simplify right side
    1,600,661x = 1,570,327,281,980.43
  5. Step 5: Solve for x
    x = 1,570,327,281,980.43/1,600,661
  6. Step 6: Final answer
    x = 981,049.26

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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.