Home / 1,111,420.04-1,667,130.08-269,966.12

Finding the Fourth Proportional to 1,111,420.04, 1,667,130.08 and 269,966.12

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Solution

The fourth proportional to 1,111,420.04, 1,667,130.08 and 269,966.12 is: 404,949.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,420.04 : 1,667,130.08 = 269,966.12 : x
  2. Step 2: Convert to fraction form
    1,111,420.04/1,667,130.08 = 269,966.12/x
  3. Step 3: Cross multiply
    1,111,420.04x = 1,667,130.08 × 269,966.12
  4. Step 4: Simplify right side
    1,111,420.04x = 450,068,639,232.89
  5. Step 5: Solve for x
    x = 450,068,639,232.89/1,111,420.04
  6. Step 6: Final answer
    x = 404,949.18

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Double scale
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Similar ratio
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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.