Home / 1,014,491.20-1,521,621.60-266,612.80

Finding the Fourth Proportional to 1,014,491.20, 1,521,621.60 and 266,612.80

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Solution

The fourth proportional to 1,014,491.20, 1,521,621.60 and 266,612.80 is: 399,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,491.20 : 1,521,621.60 = 266,612.80 : x
  2. Step 2: Convert to fraction form
    1,014,491.20/1,521,621.60 = 266,612.80/x
  3. Step 3: Cross multiply
    1,014,491.20x = 1,521,621.60 × 266,612.80
  4. Step 4: Simplify right side
    1,014,491.20x = 405,683,795,316.48
  5. Step 5: Solve for x
    x = 405,683,795,316.48/1,014,491.20
  6. Step 6: Final answer
    x = 399,888.92

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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.