Home / 1,100,830.40-1,649,690.40-814,284.80

Finding the Fourth Proportional to 1,100,830.40, 1,649,690.40 and 814,284.80

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Solution

The fourth proportional to 1,100,830.40, 1,649,690.40 and 814,284.80 is: 1,220,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,830.40 : 1,649,690.40 = 814,284.80 : x
  2. Step 2: Convert to fraction form
    1,100,830.40/1,649,690.40 = 814,284.80/x
  3. Step 3: Cross multiply
    1,100,830.40x = 1,649,690.40 × 814,284.80
  4. Step 4: Simplify right side
    1,100,830.40x = 1,343,317,817,425.92
  5. Step 5: Solve for x
    x = 1,343,317,817,425.92/1,100,830.40
  6. Step 6: Final answer
    x = 1,220,276.82

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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.