Home / 1,154,142.70-1,731,214.05-622,701.70

Finding the Fourth Proportional to 1,154,142.70, 1,731,214.05 and 622,701.70

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Solution

The fourth proportional to 1,154,142.70, 1,731,214.05 and 622,701.70 is: 934,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,142.70 : 1,731,214.05 = 622,701.70 : x
  2. Step 2: Convert to fraction form
    1,154,142.70/1,731,214.05 = 622,701.70/x
  3. Step 3: Cross multiply
    1,154,142.70x = 1,731,214.05 × 622,701.70
  4. Step 4: Simplify right side
    1,154,142.70x = 1,078,029,931,998.88
  5. Step 5: Solve for x
    x = 1,078,029,931,998.88/1,154,142.70
  6. Step 6: Final answer
    x = 934,052.55

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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.