Home / 1,609,122.60-2,415,044.70-663,172.20

Finding the Fourth Proportional to 1,609,122.60, 2,415,044.70 and 663,172.20

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Solution

The fourth proportional to 1,609,122.60, 2,415,044.70 and 663,172.20 is: 995,319.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,122.60 : 2,415,044.70 = 663,172.20 : x
  2. Step 2: Convert to fraction form
    1,609,122.60/2,415,044.70 = 663,172.20/x
  3. Step 3: Cross multiply
    1,609,122.60x = 2,415,044.70 × 663,172.20
  4. Step 4: Simplify right side
    1,609,122.60x = 1,601,590,506,797.34
  5. Step 5: Solve for x
    x = 1,601,590,506,797.34/1,609,122.60
  6. Step 6: Final answer
    x = 995,319.13

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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.