Home / 1,006,045.26-1,388,314.71-553,336.62

Finding the Fourth Proportional to 1,006,045.26, 1,388,314.71 and 553,336.62

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Solution

The fourth proportional to 1,006,045.26, 1,388,314.71 and 553,336.62 is: 763,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,045.26 : 1,388,314.71 = 553,336.62 : x
  2. Step 2: Convert to fraction form
    1,006,045.26/1,388,314.71 = 553,336.62/x
  3. Step 3: Cross multiply
    1,006,045.26x = 1,388,314.71 × 553,336.62
  4. Step 4: Simplify right side
    1,006,045.26x = 768,205,369,127.68
  5. Step 5: Solve for x
    x = 768,205,369,127.68/1,006,045.26
  6. Step 6: Final answer
    x = 763,589.27

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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.