Home / 1,454,901.21-2,007,687.47-810,309.69

Finding the Fourth Proportional to 1,454,901.21, 2,007,687.47 and 810,309.69

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Solution

The fourth proportional to 1,454,901.21, 2,007,687.47 and 810,309.69 is: 1,118,184.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,901.21 : 2,007,687.47 = 810,309.69 : x
  2. Step 2: Convert to fraction form
    1,454,901.21/2,007,687.47 = 810,309.69/x
  3. Step 3: Cross multiply
    1,454,901.21x = 2,007,687.47 × 810,309.69
  4. Step 4: Simplify right side
    1,454,901.21x = 1,626,848,607,381.04
  5. Step 5: Solve for x
    x = 1,626,848,607,381.04/1,454,901.21
  6. Step 6: Final answer
    x = 1,118,184.93

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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.