Home / 1,123,359.30-1,685,038.95-449,544.60

Finding the Fourth Proportional to 1,123,359.30, 1,685,038.95 and 449,544.60

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Solution

The fourth proportional to 1,123,359.30, 1,685,038.95 and 449,544.60 is: 674,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,359.30 : 1,685,038.95 = 449,544.60 : x
  2. Step 2: Convert to fraction form
    1,123,359.30/1,685,038.95 = 449,544.60/x
  3. Step 3: Cross multiply
    1,123,359.30x = 1,685,038.95 × 449,544.60
  4. Step 4: Simplify right side
    1,123,359.30x = 757,500,160,762.17
  5. Step 5: Solve for x
    x = 757,500,160,762.17/1,123,359.30
  6. Step 6: Final answer
    x = 674,316.90

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Double scale
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Similar ratio
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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.