Home / 1,587,297.48-2,380,933.26-640,653.72

Finding the Fourth Proportional to 1,587,297.48, 2,380,933.26 and 640,653.72

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Solution

The fourth proportional to 1,587,297.48, 2,380,933.26 and 640,653.72 is: 960,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,297.48 : 2,380,933.26 = 640,653.72 : x
  2. Step 2: Convert to fraction form
    1,587,297.48/2,380,933.26 = 640,653.72/x
  3. Step 3: Cross multiply
    1,587,297.48x = 2,380,933.26 × 640,653.72
  4. Step 4: Simplify right side
    1,587,297.48x = 1,525,353,750,090.73
  5. Step 5: Solve for x
    x = 1,525,353,750,090.73/1,587,297.48
  6. Step 6: Final answer
    x = 960,975.35

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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.