Home / 1,178,044.80-1,625,709.60-668,755.68

Finding the Fourth Proportional to 1,178,044.80, 1,625,709.60 and 668,755.68

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Solution

The fourth proportional to 1,178,044.80, 1,625,709.60 and 668,755.68 is: 922,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,044.80 : 1,625,709.60 = 668,755.68 : x
  2. Step 2: Convert to fraction form
    1,178,044.80/1,625,709.60 = 668,755.68/x
  3. Step 3: Cross multiply
    1,178,044.80x = 1,625,709.60 × 668,755.68
  4. Step 4: Simplify right side
    1,178,044.80x = 1,087,202,529,030.53
  5. Step 5: Solve for x
    x = 1,087,202,529,030.53/1,178,044.80
  6. Step 6: Final answer
    x = 922,887.25

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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.