Home / 1,457,513.70-2,011,371.75-812,975.64

Finding the Fourth Proportional to 1,457,513.70, 2,011,371.75 and 812,975.64

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Solution

The fourth proportional to 1,457,513.70, 2,011,371.75 and 812,975.64 is: 1,121,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,513.70 : 2,011,371.75 = 812,975.64 : x
  2. Step 2: Convert to fraction form
    1,457,513.70/2,011,371.75 = 812,975.64/x
  3. Step 3: Cross multiply
    1,457,513.70x = 2,011,371.75 × 812,975.64
  4. Step 4: Simplify right side
    1,457,513.70x = 1,635,196,228,191.53
  5. Step 5: Solve for x
    x = 1,635,196,228,191.53/1,457,513.70
  6. Step 6: Final answer
    x = 1,121,907.97

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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.