Home / 1,333,869.69-2,000,902.95-435,286.47

Finding the Fourth Proportional to 1,333,869.69, 2,000,902.95 and 435,286.47

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Solution

The fourth proportional to 1,333,869.69, 2,000,902.95 and 435,286.47 is: 652,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,869.69 : 2,000,902.95 = 435,286.47 : x
  2. Step 2: Convert to fraction form
    1,333,869.69/2,000,902.95 = 435,286.47/x
  3. Step 3: Cross multiply
    1,333,869.69x = 2,000,902.95 × 435,286.47
  4. Step 4: Simplify right side
    1,333,869.69x = 870,965,981,918.09
  5. Step 5: Solve for x
    x = 870,965,981,918.09/1,333,869.69
  6. Step 6: Final answer
    x = 652,961.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.