Home / 1,330,409.90-1,835,965.08-718,562.43

Finding the Fourth Proportional to 1,330,409.90, 1,835,965.08 and 718,562.43

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Solution

The fourth proportional to 1,330,409.90, 1,835,965.08 and 718,562.43 is: 991,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,409.90 : 1,835,965.08 = 718,562.43 : x
  2. Step 2: Convert to fraction form
    1,330,409.90/1,835,965.08 = 718,562.43/x
  3. Step 3: Cross multiply
    1,330,409.90x = 1,835,965.08 × 718,562.43
  4. Step 4: Simplify right side
    1,330,409.90x = 1,319,255,529,279.94
  5. Step 5: Solve for x
    x = 1,319,255,529,279.94/1,330,409.90
  6. Step 6: Final answer
    x = 991,615.84

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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.