Home / 1,515,615.40-2,273,534.70-436,084.12

Finding the Fourth Proportional to 1,515,615.40, 2,273,534.70 and 436,084.12

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Solution

The fourth proportional to 1,515,615.40, 2,273,534.70 and 436,084.12 is: 654,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,615.40 : 2,273,534.70 = 436,084.12 : x
  2. Step 2: Convert to fraction form
    1,515,615.40/2,273,534.70 = 436,084.12/x
  3. Step 3: Cross multiply
    1,515,615.40x = 2,273,534.70 × 436,084.12
  4. Step 4: Simplify right side
    1,515,615.40x = 991,452,378,938.96
  5. Step 5: Solve for x
    x = 991,452,378,938.96/1,515,615.40
  6. Step 6: Final answer
    x = 654,158.29

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Double scale
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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.