Home / 1,325,017.10-1,987,711.52-651,124.94

Finding the Fourth Proportional to 1,325,017.10, 1,987,711.52 and 651,124.94

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Solution

The fourth proportional to 1,325,017.10, 1,987,711.52 and 651,124.94 is: 976,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,017.10 : 1,987,711.52 = 651,124.94 : x
  2. Step 2: Convert to fraction form
    1,325,017.10/1,987,711.52 = 651,124.94/x
  3. Step 3: Cross multiply
    1,325,017.10x = 1,987,711.52 × 651,124.94
  4. Step 4: Simplify right side
    1,325,017.10x = 1,294,248,544,197.31
  5. Step 5: Solve for x
    x = 1,294,248,544,197.31/1,325,017.10
  6. Step 6: Final answer
    x = 976,778.75

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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.