Home / 1,658,630.72-2,486,369.76-648,400.64

Finding the Fourth Proportional to 1,658,630.72, 2,486,369.76 and 648,400.64

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Solution

The fourth proportional to 1,658,630.72, 2,486,369.76 and 648,400.64 is: 971,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,630.72 : 2,486,369.76 = 648,400.64 : x
  2. Step 2: Convert to fraction form
    1,658,630.72/2,486,369.76 = 648,400.64/x
  3. Step 3: Cross multiply
    1,658,630.72x = 2,486,369.76 × 648,400.64
  4. Step 4: Simplify right side
    1,658,630.72x = 1,612,163,743,660.65
  5. Step 5: Solve for x
    x = 1,612,163,743,660.65/1,658,630.72
  6. Step 6: Final answer
    x = 971,984.74

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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.