Home / 1,432,014.24-1,976,112-787,461.60

Finding the Fourth Proportional to 1,432,014.24, 1,976,112 and 787,461.60

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Solution

The fourth proportional to 1,432,014.24, 1,976,112 and 787,461.60 is: 1,086,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,014.24 : 1,976,112 = 787,461.60 : x
  2. Step 2: Convert to fraction form
    1,432,014.24/1,976,112 = 787,461.60/x
  3. Step 3: Cross multiply
    1,432,014.24x = 1,976,112 × 787,461.60
  4. Step 4: Simplify right side
    1,432,014.24x = 1,556,112,317,299.20
  5. Step 5: Solve for x
    x = 1,556,112,317,299.20/1,432,014.24
  6. Step 6: Final answer
    x = 1,086,659.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.