Home / 1,240,240.83-1,711,550.30-696,494.31

Finding the Fourth Proportional to 1,240,240.83, 1,711,550.30 and 696,494.31

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Solution

The fourth proportional to 1,240,240.83, 1,711,550.30 and 696,494.31 is: 961,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,240.83 : 1,711,550.30 = 696,494.31 : x
  2. Step 2: Convert to fraction form
    1,240,240.83/1,711,550.30 = 696,494.31/x
  3. Step 3: Cross multiply
    1,240,240.83x = 1,711,550.30 × 696,494.31
  4. Step 4: Simplify right side
    1,240,240.83x = 1,192,085,041,746.32
  5. Step 5: Solve for x
    x = 1,192,085,041,746.32/1,240,240.83
  6. Step 6: Final answer
    x = 961,172.23

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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.