Home / 1,123,977.30-1,685,965.95-1,049,327.70

Finding the Fourth Proportional to 1,123,977.30, 1,685,965.95 and 1,049,327.70

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Solution

The fourth proportional to 1,123,977.30, 1,685,965.95 and 1,049,327.70 is: 1,573,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,977.30 : 1,685,965.95 = 1,049,327.70 : x
  2. Step 2: Convert to fraction form
    1,123,977.30/1,685,965.95 = 1,049,327.70/x
  3. Step 3: Cross multiply
    1,123,977.30x = 1,685,965.95 × 1,049,327.70
  4. Step 4: Simplify right side
    1,123,977.30x = 1,769,130,772,591.82
  5. Step 5: Solve for x
    x = 1,769,130,772,591.82/1,123,977.30
  6. Step 6: Final answer
    x = 1,573,991.55

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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.