Home / 1,486,683.72-2,228,703.66-644,776.20

Finding the Fourth Proportional to 1,486,683.72, 2,228,703.66 and 644,776.20

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Solution

The fourth proportional to 1,486,683.72, 2,228,703.66 and 644,776.20 is: 966,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,683.72 : 2,228,703.66 = 644,776.20 : x
  2. Step 2: Convert to fraction form
    1,486,683.72/2,228,703.66 = 644,776.20/x
  3. Step 3: Cross multiply
    1,486,683.72x = 2,228,703.66 × 644,776.20
  4. Step 4: Simplify right side
    1,486,683.72x = 1,437,015,076,820.89
  5. Step 5: Solve for x
    x = 1,437,015,076,820.89/1,486,683.72
  6. Step 6: Final answer
    x = 966,590.98

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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.