Home / 1,377,155.49-2,059,391.47-1,309,970.85

Finding the Fourth Proportional to 1,377,155.49, 2,059,391.47 and 1,309,970.85

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Solution

The fourth proportional to 1,377,155.49, 2,059,391.47 and 1,309,970.85 is: 1,958,923.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,155.49 : 2,059,391.47 = 1,309,970.85 : x
  2. Step 2: Convert to fraction form
    1,377,155.49/2,059,391.47 = 1,309,970.85/x
  3. Step 3: Cross multiply
    1,377,155.49x = 2,059,391.47 × 1,309,970.85
  4. Step 4: Simplify right side
    1,377,155.49x = 2,697,742,777,591.84
  5. Step 5: Solve for x
    x = 2,697,742,777,591.84/1,377,155.49
  6. Step 6: Final answer
    x = 1,958,923.89

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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.