Home / 1,377,668.29-1,900,405.64-826,237.30

Finding the Fourth Proportional to 1,377,668.29, 1,900,405.64 and 826,237.30

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Solution

The fourth proportional to 1,377,668.29, 1,900,405.64 and 826,237.30 is: 1,139,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,668.29 : 1,900,405.64 = 826,237.30 : x
  2. Step 2: Convert to fraction form
    1,377,668.29/1,900,405.64 = 826,237.30/x
  3. Step 3: Cross multiply
    1,377,668.29x = 1,900,405.64 × 826,237.30
  4. Step 4: Simplify right side
    1,377,668.29x = 1,570,186,011,265.16
  5. Step 5: Solve for x
    x = 1,570,186,011,265.16/1,377,668.29
  6. Step 6: Final answer
    x = 1,139,741.71

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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.