Home / 1,123,353.75-1,685,030.63-375,399.75

Finding the Fourth Proportional to 1,123,353.75, 1,685,030.63 and 375,399.75

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Solution

The fourth proportional to 1,123,353.75, 1,685,030.63 and 375,399.75 is: 563,099.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,353.75 : 1,685,030.63 = 375,399.75 : x
  2. Step 2: Convert to fraction form
    1,123,353.75/1,685,030.63 = 375,399.75/x
  3. Step 3: Cross multiply
    1,123,353.75x = 1,685,030.63 × 375,399.75
  4. Step 4: Simplify right side
    1,123,353.75x = 632,560,077,244.34
  5. Step 5: Solve for x
    x = 632,560,077,244.34/1,123,353.75
  6. Step 6: Final answer
    x = 563,099.63

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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.