Home / 1,314,111.45-1,813,861.65-770,364.93

Finding the Fourth Proportional to 1,314,111.45, 1,813,861.65 and 770,364.93

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Solution

The fourth proportional to 1,314,111.45, 1,813,861.65 and 770,364.93 is: 1,063,330.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,111.45 : 1,813,861.65 = 770,364.93 : x
  2. Step 2: Convert to fraction form
    1,314,111.45/1,813,861.65 = 770,364.93/x
  3. Step 3: Cross multiply
    1,314,111.45x = 1,813,861.65 × 770,364.93
  4. Step 4: Simplify right side
    1,314,111.45x = 1,397,335,403,031.93
  5. Step 5: Solve for x
    x = 1,397,335,403,031.93/1,314,111.45
  6. Step 6: Final answer
    x = 1,063,330.97

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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.