Home / 1,314,052.80-1,813,394.88-710,440.64

Finding the Fourth Proportional to 1,314,052.80, 1,813,394.88 and 710,440.64

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Solution

The fourth proportional to 1,314,052.80, 1,813,394.88 and 710,440.64 is: 980,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,052.80 : 1,813,394.88 = 710,440.64 : x
  2. Step 2: Convert to fraction form
    1,314,052.80/1,813,394.88 = 710,440.64/x
  3. Step 3: Cross multiply
    1,314,052.80x = 1,813,394.88 × 710,440.64
  4. Step 4: Simplify right side
    1,314,052.80x = 1,288,309,419,119.92
  5. Step 5: Solve for x
    x = 1,288,309,419,119.92/1,314,052.80
  6. Step 6: Final answer
    x = 980,409.17

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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.