Home / 1,409,626.20-2,110,119.30-776,602.20

Finding the Fourth Proportional to 1,409,626.20, 2,110,119.30 and 776,602.20

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Solution

The fourth proportional to 1,409,626.20, 2,110,119.30 and 776,602.20 is: 1,162,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,626.20 : 2,110,119.30 = 776,602.20 : x
  2. Step 2: Convert to fraction form
    1,409,626.20/2,110,119.30 = 776,602.20/x
  3. Step 3: Cross multiply
    1,409,626.20x = 2,110,119.30 × 776,602.20
  4. Step 4: Simplify right side
    1,409,626.20x = 1,638,723,290,642.46
  5. Step 5: Solve for x
    x = 1,638,723,290,642.46/1,409,626.20
  6. Step 6: Final answer
    x = 1,162,523.29

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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.