Home / 1,240,473.04-1,711,852.80-696,609.28

Finding the Fourth Proportional to 1,240,473.04, 1,711,852.80 and 696,609.28

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Solution

The fourth proportional to 1,240,473.04, 1,711,852.80 and 696,609.28 is: 961,320.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,473.04 : 1,711,852.80 = 696,609.28 : x
  2. Step 2: Convert to fraction form
    1,240,473.04/1,711,852.80 = 696,609.28/x
  3. Step 3: Cross multiply
    1,240,473.04x = 1,711,852.80 × 696,609.28
  4. Step 4: Simplify right side
    1,240,473.04x = 1,192,492,546,473.98
  5. Step 5: Solve for x
    x = 1,192,492,546,473.98/1,240,473.04
  6. Step 6: Final answer
    x = 961,320.81

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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.