Home / 1,240,110.24-1,711,240.53-723,908.94

Finding the Fourth Proportional to 1,240,110.24, 1,711,240.53 and 723,908.94

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Solution

The fourth proportional to 1,240,110.24, 1,711,240.53 and 723,908.94 is: 998,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,110.24 : 1,711,240.53 = 723,908.94 : x
  2. Step 2: Convert to fraction form
    1,240,110.24/1,711,240.53 = 723,908.94/x
  3. Step 3: Cross multiply
    1,240,110.24x = 1,711,240.53 × 723,908.94
  4. Step 4: Simplify right side
    1,240,110.24x = 1,238,782,318,157.34
  5. Step 5: Solve for x
    x = 1,238,782,318,157.34/1,240,110.24
  6. Step 6: Final answer
    x = 998,929.19

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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.