Home / 1,456,119.42-2,009,513.22-811,544.23

Finding the Fourth Proportional to 1,456,119.42, 2,009,513.22 and 811,544.23

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Solution

The fourth proportional to 1,456,119.42, 2,009,513.22 and 811,544.23 is: 1,119,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,119.42 : 2,009,513.22 = 811,544.23 : x
  2. Step 2: Convert to fraction form
    1,456,119.42/2,009,513.22 = 811,544.23/x
  3. Step 3: Cross multiply
    1,456,119.42x = 2,009,513.22 × 811,544.23
  4. Step 4: Simplify right side
    1,456,119.42x = 1,630,808,848,752.15
  5. Step 5: Solve for x
    x = 1,630,808,848,752.15/1,456,119.42
  6. Step 6: Final answer
    x = 1,119,969.16

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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.