Home / 1,766,230.60-2,649,345.90-644,153.80

Finding the Fourth Proportional to 1,766,230.60, 2,649,345.90 and 644,153.80

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Solution

The fourth proportional to 1,766,230.60, 2,649,345.90 and 644,153.80 is: 966,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,230.60 : 2,649,345.90 = 644,153.80 : x
  2. Step 2: Convert to fraction form
    1,766,230.60/2,649,345.90 = 644,153.80/x
  3. Step 3: Cross multiply
    1,766,230.60x = 2,649,345.90 × 644,153.80
  4. Step 4: Simplify right side
    1,766,230.60x = 1,706,586,228,999.42
  5. Step 5: Solve for x
    x = 1,706,586,228,999.42/1,766,230.60
  6. Step 6: Final answer
    x = 966,230.70

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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.