Home / 1,585,359.60-2,378,039.40-1,018,489.20

Finding the Fourth Proportional to 1,585,359.60, 2,378,039.40 and 1,018,489.20

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Solution

The fourth proportional to 1,585,359.60, 2,378,039.40 and 1,018,489.20 is: 1,527,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,359.60 : 2,378,039.40 = 1,018,489.20 : x
  2. Step 2: Convert to fraction form
    1,585,359.60/2,378,039.40 = 1,018,489.20/x
  3. Step 3: Cross multiply
    1,585,359.60x = 2,378,039.40 × 1,018,489.20
  4. Step 4: Simplify right side
    1,585,359.60x = 2,422,007,446,074.48
  5. Step 5: Solve for x
    x = 2,422,007,446,074.48/1,585,359.60
  6. Step 6: Final answer
    x = 1,527,733.80

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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.