Home / 1,874,802.70-2,812,349.86-612,757.90

Finding the Fourth Proportional to 1,874,802.70, 2,812,349.86 and 612,757.90

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Solution

The fourth proportional to 1,874,802.70, 2,812,349.86 and 612,757.90 is: 919,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,802.70 : 2,812,349.86 = 612,757.90 : x
  2. Step 2: Convert to fraction form
    1,874,802.70/2,812,349.86 = 612,757.90/x
  3. Step 3: Cross multiply
    1,874,802.70x = 2,812,349.86 × 612,757.90
  4. Step 4: Simplify right side
    1,874,802.70x = 1,723,289,594,278.89
  5. Step 5: Solve for x
    x = 1,723,289,594,278.89/1,874,802.70
  6. Step 6: Final answer
    x = 919,184.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.