Home / 1,361,255.40-2,041,883.10-913,357.80

Finding the Fourth Proportional to 1,361,255.40, 2,041,883.10 and 913,357.80

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Solution

The fourth proportional to 1,361,255.40, 2,041,883.10 and 913,357.80 is: 1,370,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,255.40 : 2,041,883.10 = 913,357.80 : x
  2. Step 2: Convert to fraction form
    1,361,255.40/2,041,883.10 = 913,357.80/x
  3. Step 3: Cross multiply
    1,361,255.40x = 2,041,883.10 × 913,357.80
  4. Step 4: Simplify right side
    1,361,255.40x = 1,864,969,856,073.18
  5. Step 5: Solve for x
    x = 1,864,969,856,073.18/1,361,255.40
  6. Step 6: Final answer
    x = 1,370,036.70

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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.