Home / 1,116,155.32-1,674,195.90-485,069.74

Finding the Fourth Proportional to 1,116,155.32, 1,674,195.90 and 485,069.74

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Solution

The fourth proportional to 1,116,155.32, 1,674,195.90 and 485,069.74 is: 727,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,155.32 : 1,674,195.90 = 485,069.74 : x
  2. Step 2: Convert to fraction form
    1,116,155.32/1,674,195.90 = 485,069.74/x
  3. Step 3: Cross multiply
    1,116,155.32x = 1,674,195.90 × 485,069.74
  4. Step 4: Simplify right side
    1,116,155.32x = 812,101,769,922.07
  5. Step 5: Solve for x
    x = 812,101,769,922.07/1,116,155.32
  6. Step 6: Final answer
    x = 727,588.50

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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.