Home / 1,118,927.85-1,679,855.27-664,348.97

Finding the Fourth Proportional to 1,118,927.85, 1,679,855.27 and 664,348.97

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Solution

The fourth proportional to 1,118,927.85, 1,679,855.27 and 664,348.97 is: 997,392.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,927.85 : 1,679,855.27 = 664,348.97 : x
  2. Step 2: Convert to fraction form
    1,118,927.85/1,679,855.27 = 664,348.97/x
  3. Step 3: Cross multiply
    1,118,927.85x = 1,679,855.27 × 664,348.97
  4. Step 4: Simplify right side
    1,118,927.85x = 1,116,010,106,652.55
  5. Step 5: Solve for x
    x = 1,116,010,106,652.55/1,118,927.85
  6. Step 6: Final answer
    x = 997,392.38

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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.