Home / 1,285,228.60-1,927,842.90-486,536.20

Finding the Fourth Proportional to 1,285,228.60, 1,927,842.90 and 486,536.20

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Solution

The fourth proportional to 1,285,228.60, 1,927,842.90 and 486,536.20 is: 729,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,228.60 : 1,927,842.90 = 486,536.20 : x
  2. Step 2: Convert to fraction form
    1,285,228.60/1,927,842.90 = 486,536.20/x
  3. Step 3: Cross multiply
    1,285,228.60x = 1,927,842.90 × 486,536.20
  4. Step 4: Simplify right side
    1,285,228.60x = 937,965,358,762.98
  5. Step 5: Solve for x
    x = 937,965,358,762.98/1,285,228.60
  6. Step 6: Final answer
    x = 729,804.30

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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.