Home / 1,240,102.94-1,711,209.51-696,298.50

Finding the Fourth Proportional to 1,240,102.94, 1,711,209.51 and 696,298.50

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Solution

The fourth proportional to 1,240,102.94, 1,711,209.51 and 696,298.50 is: 960,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,102.94 : 1,711,209.51 = 696,298.50 : x
  2. Step 2: Convert to fraction form
    1,240,102.94/1,711,209.51 = 696,298.50/x
  3. Step 3: Cross multiply
    1,240,102.94x = 1,711,209.51 × 696,298.50
  4. Step 4: Simplify right side
    1,240,102.94x = 1,191,512,614,998.74
  5. Step 5: Solve for x
    x = 1,191,512,614,998.74/1,240,102.94
  6. Step 6: Final answer
    x = 960,817.51

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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.