Home / 1,627,666.60-2,440,808.70-786,476.20

Finding the Fourth Proportional to 1,627,666.60, 2,440,808.70 and 786,476.20

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Solution

The fourth proportional to 1,627,666.60, 2,440,808.70 and 786,476.20 is: 1,179,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,666.60 : 2,440,808.70 = 786,476.20 : x
  2. Step 2: Convert to fraction form
    1,627,666.60/2,440,808.70 = 786,476.20/x
  3. Step 3: Cross multiply
    1,627,666.60x = 2,440,808.70 × 786,476.20
  4. Step 4: Simplify right side
    1,627,666.60x = 1,919,637,951,302.94
  5. Step 5: Solve for x
    x = 1,919,637,951,302.94/1,627,666.60
  6. Step 6: Final answer
    x = 1,179,380.32

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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.