Home / 1,609,140.60-2,415,071.70-663,190.20

Finding the Fourth Proportional to 1,609,140.60, 2,415,071.70 and 663,190.20

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Solution

The fourth proportional to 1,609,140.60, 2,415,071.70 and 663,190.20 is: 995,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,140.60 : 2,415,071.70 = 663,190.20 : x
  2. Step 2: Convert to fraction form
    1,609,140.60/2,415,071.70 = 663,190.20/x
  3. Step 3: Cross multiply
    1,609,140.60x = 2,415,071.70 × 663,190.20
  4. Step 4: Simplify right side
    1,609,140.60x = 1,601,651,883,737.34
  5. Step 5: Solve for x
    x = 1,601,651,883,737.34/1,609,140.60
  6. Step 6: Final answer
    x = 995,346.14

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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.