Home / 1,240,357.42-1,711,204.75-716,722.03

Finding the Fourth Proportional to 1,240,357.42, 1,711,204.75 and 716,722.03

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Solution

The fourth proportional to 1,240,357.42, 1,711,204.75 and 716,722.03 is: 988,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,357.42 : 1,711,204.75 = 716,722.03 : x
  2. Step 2: Convert to fraction form
    1,240,357.42/1,711,204.75 = 716,722.03/x
  3. Step 3: Cross multiply
    1,240,357.42x = 1,711,204.75 × 716,722.03
  4. Step 4: Simplify right side
    1,240,357.42x = 1,226,458,142,165.64
  5. Step 5: Solve for x
    x = 1,226,458,142,165.64/1,240,357.42
  6. Step 6: Final answer
    x = 988,794.13

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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.