Home / 1,152,844.56-1,590,952.32-723,142.80

Finding the Fourth Proportional to 1,152,844.56, 1,590,952.32 and 723,142.80

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Solution

The fourth proportional to 1,152,844.56, 1,590,952.32 and 723,142.80 is: 997,953.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,844.56 : 1,590,952.32 = 723,142.80 : x
  2. Step 2: Convert to fraction form
    1,152,844.56/1,590,952.32 = 723,142.80/x
  3. Step 3: Cross multiply
    1,152,844.56x = 1,590,952.32 × 723,142.80
  4. Step 4: Simplify right side
    1,152,844.56x = 1,150,485,715,351.30
  5. Step 5: Solve for x
    x = 1,150,485,715,351.30/1,152,844.56
  6. Step 6: Final answer
    x = 997,953.89

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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.