Home / 1,815,960.88-2,506,139.77-1,000,164.37

Finding the Fourth Proportional to 1,815,960.88, 2,506,139.77 and 1,000,164.37

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Solution

The fourth proportional to 1,815,960.88, 2,506,139.77 and 1,000,164.37 is: 1,380,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,960.88 : 2,506,139.77 = 1,000,164.37 : x
  2. Step 2: Convert to fraction form
    1,815,960.88/2,506,139.77 = 1,000,164.37/x
  3. Step 3: Cross multiply
    1,815,960.88x = 2,506,139.77 × 1,000,164.37
  4. Step 4: Simplify right side
    1,815,960.88x = 2,506,551,699,193.17
  5. Step 5: Solve for x
    x = 2,506,551,699,193.17/1,815,960.88
  6. Step 6: Final answer
    x = 1,380,289.48

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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.