Home / 1,109,347.64-1,664,237.22-426,184.73

Finding the Fourth Proportional to 1,109,347.64, 1,664,237.22 and 426,184.73

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Solution

The fourth proportional to 1,109,347.64, 1,664,237.22 and 426,184.73 is: 639,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,347.64 : 1,664,237.22 = 426,184.73 : x
  2. Step 2: Convert to fraction form
    1,109,347.64/1,664,237.22 = 426,184.73/x
  3. Step 3: Cross multiply
    1,109,347.64x = 1,664,237.22 × 426,184.73
  4. Step 4: Simplify right side
    1,109,347.64x = 709,272,490,261.65
  5. Step 5: Solve for x
    x = 709,272,490,261.65/1,109,347.64
  6. Step 6: Final answer
    x = 639,359.98

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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.