Home / 1,688,891.52-2,330,673.84-914,530.80

Finding the Fourth Proportional to 1,688,891.52, 2,330,673.84 and 914,530.80

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Solution

The fourth proportional to 1,688,891.52, 2,330,673.84 and 914,530.80 is: 1,262,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,891.52 : 2,330,673.84 = 914,530.80 : x
  2. Step 2: Convert to fraction form
    1,688,891.52/2,330,673.84 = 914,530.80/x
  3. Step 3: Cross multiply
    1,688,891.52x = 2,330,673.84 × 914,530.80
  4. Step 4: Simplify right side
    1,688,891.52x = 2,131,473,011,434.27
  5. Step 5: Solve for x
    x = 2,131,473,011,434.27/1,688,891.52
  6. Step 6: Final answer
    x = 1,262,054.42

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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.