Home / 1,116,164.40-1,674,246.60-668,266.80

Finding the Fourth Proportional to 1,116,164.40, 1,674,246.60 and 668,266.80

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Solution

The fourth proportional to 1,116,164.40, 1,674,246.60 and 668,266.80 is: 1,002,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,164.40 : 1,674,246.60 = 668,266.80 : x
  2. Step 2: Convert to fraction form
    1,116,164.40/1,674,246.60 = 668,266.80/x
  3. Step 3: Cross multiply
    1,116,164.40x = 1,674,246.60 × 668,266.80
  4. Step 4: Simplify right side
    1,116,164.40x = 1,118,843,417,792.88
  5. Step 5: Solve for x
    x = 1,118,843,417,792.88/1,116,164.40
  6. Step 6: Final answer
    x = 1,002,400.20

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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.