Home / 1,309,018.96-1,963,552.74-410,440.60

Finding the Fourth Proportional to 1,309,018.96, 1,963,552.74 and 410,440.60

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Solution

The fourth proportional to 1,309,018.96, 1,963,552.74 and 410,440.60 is: 615,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,018.96 : 1,963,552.74 = 410,440.60 : x
  2. Step 2: Convert to fraction form
    1,309,018.96/1,963,552.74 = 410,440.60/x
  3. Step 3: Cross multiply
    1,309,018.96x = 1,963,552.74 × 410,440.60
  4. Step 4: Simplify right side
    1,309,018.96x = 805,921,764,737.24
  5. Step 5: Solve for x
    x = 805,921,764,737.24/1,309,018.96
  6. Step 6: Final answer
    x = 615,668.52

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Double scale
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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.