Home / 1,776,446.48-2,664,644.96-428,597.77

Finding the Fourth Proportional to 1,776,446.48, 2,664,644.96 and 428,597.77

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Solution

The fourth proportional to 1,776,446.48, 2,664,644.96 and 428,597.77 is: 642,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,446.48 : 2,664,644.96 = 428,597.77 : x
  2. Step 2: Convert to fraction form
    1,776,446.48/2,664,644.96 = 428,597.77/x
  3. Step 3: Cross multiply
    1,776,446.48x = 2,664,644.96 × 428,597.77
  4. Step 4: Simplify right side
    1,776,446.48x = 1,142,060,887,697.74
  5. Step 5: Solve for x
    x = 1,142,060,887,697.74/1,776,446.48
  6. Step 6: Final answer
    x = 642,890.68

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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.