Home / 1,116,439.90-1,674,141.45-485,028.70

Finding the Fourth Proportional to 1,116,439.90, 1,674,141.45 and 485,028.70

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Solution

The fourth proportional to 1,116,439.90, 1,674,141.45 and 485,028.70 is: 727,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,439.90 : 1,674,141.45 = 485,028.70 : x
  2. Step 2: Convert to fraction form
    1,116,439.90/1,674,141.45 = 485,028.70/x
  3. Step 3: Cross multiply
    1,116,439.90x = 1,674,141.45 × 485,028.70
  4. Step 4: Simplify right side
    1,116,439.90x = 812,006,651,109.62
  5. Step 5: Solve for x
    x = 812,006,651,109.62/1,116,439.90
  6. Step 6: Final answer
    x = 727,317.84

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1.5x scale

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.