Home / 1,123,671.18-1,685,758.74-325,014.78

Finding the Fourth Proportional to 1,123,671.18, 1,685,758.74 and 325,014.78

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Solution

The fourth proportional to 1,123,671.18, 1,685,758.74 and 325,014.78 is: 487,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,671.18 : 1,685,758.74 = 325,014.78 : x
  2. Step 2: Convert to fraction form
    1,123,671.18/1,685,758.74 = 325,014.78/x
  3. Step 3: Cross multiply
    1,123,671.18x = 1,685,758.74 × 325,014.78
  4. Step 4: Simplify right side
    1,123,671.18x = 547,896,501,634.57
  5. Step 5: Solve for x
    x = 547,896,501,634.57/1,123,671.18
  6. Step 6: Final answer
    x = 487,595.05

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1.5x scale

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.