Home / 1,377,373.78-1,901,001.41-1,147,566.62

Finding the Fourth Proportional to 1,377,373.78, 1,901,001.41 and 1,147,566.62

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Solution

The fourth proportional to 1,377,373.78, 1,901,001.41 and 1,147,566.62 is: 1,583,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,373.78 : 1,901,001.41 = 1,147,566.62 : x
  2. Step 2: Convert to fraction form
    1,377,373.78/1,901,001.41 = 1,147,566.62/x
  3. Step 3: Cross multiply
    1,377,373.78x = 1,901,001.41 × 1,147,566.62
  4. Step 4: Simplify right side
    1,377,373.78x = 2,181,525,762,688.93
  5. Step 5: Solve for x
    x = 2,181,525,762,688.93/1,377,373.78
  6. Step 6: Final answer
    x = 1,583,829.89

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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.