Home / 926,440.20-1,389,660.30-910,693.80

Finding the Fourth Proportional to 926,440.20, 1,389,660.30 and 910,693.80

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Solution

The fourth proportional to 926,440.20, 1,389,660.30 and 910,693.80 is: 1,366,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,440.20 : 1,389,660.30 = 910,693.80 : x
  2. Step 2: Convert to fraction form
    926,440.20/1,389,660.30 = 910,693.80/x
  3. Step 3: Cross multiply
    926,440.20x = 1,389,660.30 × 910,693.80
  4. Step 4: Simplify right side
    926,440.20x = 1,265,555,019,316.14
  5. Step 5: Solve for x
    x = 1,265,555,019,316.14/926,440.20
  6. Step 6: Final answer
    x = 1,366,040.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.