Home / 999,166.55-1,378,766.52-563,559.89

Finding the Fourth Proportional to 999,166.55, 1,378,766.52 and 563,559.89

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Solution

The fourth proportional to 999,166.55, 1,378,766.52 and 563,559.89 is: 777,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,166.55 : 1,378,766.52 = 563,559.89 : x
  2. Step 2: Convert to fraction form
    999,166.55/1,378,766.52 = 563,559.89/x
  3. Step 3: Cross multiply
    999,166.55x = 1,378,766.52 × 563,559.89
  4. Step 4: Simplify right side
    999,166.55x = 777,017,501,453.05
  5. Step 5: Solve for x
    x = 777,017,501,453.05/999,166.55
  6. Step 6: Final answer
    x = 777,665.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.