Home / 1,457,609.40-2,011,504.04-813,013

Finding the Fourth Proportional to 1,457,609.40, 2,011,504.04 and 813,013

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Solution

The fourth proportional to 1,457,609.40, 2,011,504.04 and 813,013 is: 1,121,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,609.40 : 2,011,504.04 = 813,013 : x
  2. Step 2: Convert to fraction form
    1,457,609.40/2,011,504.04 = 813,013/x
  3. Step 3: Cross multiply
    1,457,609.40x = 2,011,504.04 × 813,013
  4. Step 4: Simplify right side
    1,457,609.40x = 1,635,378,934,072.52
  5. Step 5: Solve for x
    x = 1,635,378,934,072.52/1,457,609.40
  6. Step 6: Final answer
    x = 1,121,959.65

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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.