Home / 1,208,990.43-1,668,645.27-693,090.77

Finding the Fourth Proportional to 1,208,990.43, 1,668,645.27 and 693,090.77

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Solution

The fourth proportional to 1,208,990.43, 1,668,645.27 and 693,090.77 is: 956,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,990.43 : 1,668,645.27 = 693,090.77 : x
  2. Step 2: Convert to fraction form
    1,208,990.43/1,668,645.27 = 693,090.77/x
  3. Step 3: Cross multiply
    1,208,990.43x = 1,668,645.27 × 693,090.77
  4. Step 4: Simplify right side
    1,208,990.43x = 1,156,522,626,697.93
  5. Step 5: Solve for x
    x = 1,156,522,626,697.93/1,208,990.43
  6. Step 6: Final answer
    x = 956,601.97

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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.