Home / 1,012,915.10-1,518,811.76-414,296.66

Finding the Fourth Proportional to 1,012,915.10, 1,518,811.76 and 414,296.66

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Solution

The fourth proportional to 1,012,915.10, 1,518,811.76 and 414,296.66 is: 621,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,915.10 : 1,518,811.76 = 414,296.66 : x
  2. Step 2: Convert to fraction form
    1,012,915.10/1,518,811.76 = 414,296.66/x
  3. Step 3: Cross multiply
    1,012,915.10x = 1,518,811.76 × 414,296.66
  4. Step 4: Simplify right side
    1,012,915.10x = 629,238,644,169.49
  5. Step 5: Solve for x
    x = 629,238,644,169.49/1,012,915.10
  6. Step 6: Final answer
    x = 621,215.58

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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.