Home / 1,525,688.11-2,105,739.62-1,009,452.43

Finding the Fourth Proportional to 1,525,688.11, 2,105,739.62 and 1,009,452.43

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Solution

The fourth proportional to 1,525,688.11, 2,105,739.62 and 1,009,452.43 is: 1,393,236.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,688.11 : 2,105,739.62 = 1,009,452.43 : x
  2. Step 2: Convert to fraction form
    1,525,688.11/2,105,739.62 = 1,009,452.43/x
  3. Step 3: Cross multiply
    1,525,688.11x = 2,105,739.62 × 1,009,452.43
  4. Step 4: Simplify right side
    1,525,688.11x = 2,125,643,976,356.28
  5. Step 5: Solve for x
    x = 2,125,643,976,356.28/1,525,688.11
  6. Step 6: Final answer
    x = 1,393,236.25

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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.