Home / 1,420,008.10-2,131,567.35-888,129.70

Finding the Fourth Proportional to 1,420,008.10, 2,131,567.35 and 888,129.70

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Solution

The fourth proportional to 1,420,008.10, 2,131,567.35 and 888,129.70 is: 1,333,167.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,008.10 : 2,131,567.35 = 888,129.70 : x
  2. Step 2: Convert to fraction form
    1,420,008.10/2,131,567.35 = 888,129.70/x
  3. Step 3: Cross multiply
    1,420,008.10x = 2,131,567.35 × 888,129.70
  4. Step 4: Simplify right side
    1,420,008.10x = 1,893,108,271,085.30
  5. Step 5: Solve for x
    x = 1,893,108,271,085.30/1,420,008.10
  6. Step 6: Final answer
    x = 1,333,167.23

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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.