Home / 1,668,996.90-2,503,503.86-709,205.22

Finding the Fourth Proportional to 1,668,996.90, 2,503,503.86 and 709,205.22

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Solution

The fourth proportional to 1,668,996.90, 2,503,503.86 and 709,205.22 is: 1,063,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,996.90 : 2,503,503.86 = 709,205.22 : x
  2. Step 2: Convert to fraction form
    1,668,996.90/2,503,503.86 = 709,205.22/x
  3. Step 3: Cross multiply
    1,668,996.90x = 2,503,503.86 × 709,205.22
  4. Step 4: Simplify right side
    1,668,996.90x = 1,775,498,002,256.12
  5. Step 5: Solve for x
    x = 1,775,498,002,256.12/1,668,996.90
  6. Step 6: Final answer
    x = 1,063,811.44

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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.