Home / 1,641,872.70-2,462,578.65-520,055.10

Finding the Fourth Proportional to 1,641,872.70, 2,462,578.65 and 520,055.10

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Solution

The fourth proportional to 1,641,872.70, 2,462,578.65 and 520,055.10 is: 780,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,872.70 : 2,462,578.65 = 520,055.10 : x
  2. Step 2: Convert to fraction form
    1,641,872.70/2,462,578.65 = 520,055.10/x
  3. Step 3: Cross multiply
    1,641,872.70x = 2,462,578.65 × 520,055.10
  4. Step 4: Simplify right side
    1,641,872.70x = 1,280,676,586,083.62
  5. Step 5: Solve for x
    x = 1,280,676,586,083.62/1,641,872.70
  6. Step 6: Final answer
    x = 780,009.67

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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.