Home / 1,500,099.03-2,070,142.09-811,770.81

Finding the Fourth Proportional to 1,500,099.03, 2,070,142.09 and 811,770.81

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Solution

The fourth proportional to 1,500,099.03, 2,070,142.09 and 811,770.81 is: 1,120,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,099.03 : 2,070,142.09 = 811,770.81 : x
  2. Step 2: Convert to fraction form
    1,500,099.03/2,070,142.09 = 811,770.81/x
  3. Step 3: Cross multiply
    1,500,099.03x = 2,070,142.09 × 811,770.81
  4. Step 4: Simplify right side
    1,500,099.03x = 1,680,480,921,214.39
  5. Step 5: Solve for x
    x = 1,680,480,921,214.39/1,500,099.03
  6. Step 6: Final answer
    x = 1,120,246.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.