Home / 1,377,155.99-2,059,392.21-1,309,971.35

Finding the Fourth Proportional to 1,377,155.99, 2,059,392.21 and 1,309,971.35

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Solution

The fourth proportional to 1,377,155.99, 2,059,392.21 and 1,309,971.35 is: 1,958,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,155.99 : 2,059,392.21 = 1,309,971.35 : x
  2. Step 2: Convert to fraction form
    1,377,155.99/2,059,392.21 = 1,309,971.35/x
  3. Step 3: Cross multiply
    1,377,155.99x = 2,059,392.21 × 1,309,971.35
  4. Step 4: Simplify right side
    1,377,155.99x = 2,697,744,793,513.18
  5. Step 5: Solve for x
    x = 2,697,744,793,513.18/1,377,155.99
  6. Step 6: Final answer
    x = 1,958,924.63

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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.