Home / 1,175,595.55-1,763,892.62-642,493.80

Finding the Fourth Proportional to 1,175,595.55, 1,763,892.62 and 642,493.80

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Solution

The fourth proportional to 1,175,595.55, 1,763,892.62 and 642,493.80 is: 964,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,595.55 : 1,763,892.62 = 642,493.80 : x
  2. Step 2: Convert to fraction form
    1,175,595.55/1,763,892.62 = 642,493.80/x
  3. Step 3: Cross multiply
    1,175,595.55x = 1,763,892.62 × 642,493.80
  4. Step 4: Simplify right side
    1,175,595.55x = 1,133,290,072,215.76
  5. Step 5: Solve for x
    x = 1,133,290,072,215.76/1,175,595.55
  6. Step 6: Final answer
    x = 964,013.58

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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.