Home / 1,341,309.36-2,011,792.50-442,528.68

Finding the Fourth Proportional to 1,341,309.36, 2,011,792.50 and 442,528.68

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Solution

The fourth proportional to 1,341,309.36, 2,011,792.50 and 442,528.68 is: 663,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,309.36 : 2,011,792.50 = 442,528.68 : x
  2. Step 2: Convert to fraction form
    1,341,309.36/2,011,792.50 = 442,528.68/x
  3. Step 3: Cross multiply
    1,341,309.36x = 2,011,792.50 × 442,528.68
  4. Step 4: Simplify right side
    1,341,309.36x = 890,275,879,458.90
  5. Step 5: Solve for x
    x = 890,275,879,458.90/1,341,309.36
  6. Step 6: Final answer
    x = 663,736.43

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1.5x scale

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.