Home / 1,250,012.70-1,872,521.64-575,168.76

Finding the Fourth Proportional to 1,250,012.70, 1,872,521.64 and 575,168.76

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Solution

The fourth proportional to 1,250,012.70, 1,872,521.64 and 575,168.76 is: 861,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,012.70 : 1,872,521.64 = 575,168.76 : x
  2. Step 2: Convert to fraction form
    1,250,012.70/1,872,521.64 = 575,168.76/x
  3. Step 3: Cross multiply
    1,250,012.70x = 1,872,521.64 × 575,168.76
  4. Step 4: Simplify right side
    1,250,012.70x = 1,077,015,949,751.97
  5. Step 5: Solve for x
    x = 1,077,015,949,751.97/1,250,012.70
  6. Step 6: Final answer
    x = 861,604.01

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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.