Home / 1,720,645.18-2,370,987.27-1,331,093.90

Finding the Fourth Proportional to 1,720,645.18, 2,370,987.27 and 1,331,093.90

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Solution

The fourth proportional to 1,720,645.18, 2,370,987.27 and 1,331,093.90 is: 1,834,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,645.18 : 2,370,987.27 = 1,331,093.90 : x
  2. Step 2: Convert to fraction form
    1,720,645.18/2,370,987.27 = 1,331,093.90/x
  3. Step 3: Cross multiply
    1,720,645.18x = 2,370,987.27 × 1,331,093.90
  4. Step 4: Simplify right side
    1,720,645.18x = 3,156,006,698,002.12
  5. Step 5: Solve for x
    x = 3,156,006,698,002.12/1,720,645.18
  6. Step 6: Final answer
    x = 1,834,199.60

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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.