Home / 1,832,128.70-2,746,880.85-766,622.30

Finding the Fourth Proportional to 1,832,128.70, 2,746,880.85 and 766,622.30

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Solution

The fourth proportional to 1,832,128.70, 2,746,880.85 and 766,622.30 is: 1,149,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832,128.70 : 2,746,880.85 = 766,622.30 : x
  2. Step 2: Convert to fraction form
    1,832,128.70/2,746,880.85 = 766,622.30/x
  3. Step 3: Cross multiply
    1,832,128.70x = 2,746,880.85 × 766,622.30
  4. Step 4: Simplify right side
    1,832,128.70x = 2,105,820,115,052.96
  5. Step 5: Solve for x
    x = 2,105,820,115,052.96/1,832,128.70
  6. Step 6: Final answer
    x = 1,149,384.38

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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.