Home / 1,455,072.40-2,007,896.70-801,669.88

Finding the Fourth Proportional to 1,455,072.40, 2,007,896.70 and 801,669.88

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Solution

The fourth proportional to 1,455,072.40, 2,007,896.70 and 801,669.88 is: 1,106,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,072.40 : 2,007,896.70 = 801,669.88 : x
  2. Step 2: Convert to fraction form
    1,455,072.40/2,007,896.70 = 801,669.88/x
  3. Step 3: Cross multiply
    1,455,072.40x = 2,007,896.70 × 801,669.88
  4. Step 4: Simplify right side
    1,455,072.40x = 1,609,670,306,541.40
  5. Step 5: Solve for x
    x = 1,609,670,306,541.40/1,455,072.40
  6. Step 6: Final answer
    x = 1,106,247.57

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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.