Home / 1,009,334.99-1,392,095.01-646,792.56

Finding the Fourth Proportional to 1,009,334.99, 1,392,095.01 and 646,792.56

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Solution

The fourth proportional to 1,009,334.99, 1,392,095.01 and 646,792.56 is: 892,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,334.99 : 1,392,095.01 = 646,792.56 : x
  2. Step 2: Convert to fraction form
    1,009,334.99/1,392,095.01 = 646,792.56/x
  3. Step 3: Cross multiply
    1,009,334.99x = 1,392,095.01 × 646,792.56
  4. Step 4: Simplify right side
    1,009,334.99x = 900,396,694,068.39
  5. Step 5: Solve for x
    x = 900,396,694,068.39/1,009,334.99
  6. Step 6: Final answer
    x = 892,069.23

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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.