Home / 1,208,933.85-1,668,342.53-692,677.35

Finding the Fourth Proportional to 1,208,933.85, 1,668,342.53 and 692,677.35

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Solution

The fourth proportional to 1,208,933.85, 1,668,342.53 and 692,677.35 is: 955,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,933.85 : 1,668,342.53 = 692,677.35 : x
  2. Step 2: Convert to fraction form
    1,208,933.85/1,668,342.53 = 692,677.35/x
  3. Step 3: Cross multiply
    1,208,933.85x = 1,668,342.53 × 692,677.35
  4. Step 4: Simplify right side
    1,208,933.85x = 1,155,623,079,109.31
  5. Step 5: Solve for x
    x = 1,155,623,079,109.31/1,208,933.85
  6. Step 6: Final answer
    x = 955,902.66

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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.