Home / 1,123,500.30-1,685,250.45-375,546.30

Finding the Fourth Proportional to 1,123,500.30, 1,685,250.45 and 375,546.30

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Solution

The fourth proportional to 1,123,500.30, 1,685,250.45 and 375,546.30 is: 563,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,500.30 : 1,685,250.45 = 375,546.30 : x
  2. Step 2: Convert to fraction form
    1,123,500.30/1,685,250.45 = 375,546.30/x
  3. Step 3: Cross multiply
    1,123,500.30x = 1,685,250.45 × 375,546.30
  4. Step 4: Simplify right side
    1,123,500.30x = 632,889,571,070.84
  5. Step 5: Solve for x
    x = 632,889,571,070.84/1,123,500.30
  6. Step 6: Final answer
    x = 563,319.45

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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.