Home / 1,457,654.40-2,011,549.41-804,286.40

Finding the Fourth Proportional to 1,457,654.40, 2,011,549.41 and 804,286.40

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Solution

The fourth proportional to 1,457,654.40, 2,011,549.41 and 804,286.40 is: 1,109,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,654.40 : 2,011,549.41 = 804,286.40 : x
  2. Step 2: Convert to fraction form
    1,457,654.40/2,011,549.41 = 804,286.40/x
  3. Step 3: Cross multiply
    1,457,654.40x = 2,011,549.41 × 804,286.40
  4. Step 4: Simplify right side
    1,457,654.40x = 1,617,861,823,333.28
  5. Step 5: Solve for x
    x = 1,617,861,823,333.28/1,457,654.40
  6. Step 6: Final answer
    x = 1,109,907.69

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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.