Home / 1,182,176.07-1,631,404.79-672,878.45

Finding the Fourth Proportional to 1,182,176.07, 1,631,404.79 and 672,878.45

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Solution

The fourth proportional to 1,182,176.07, 1,631,404.79 and 672,878.45 is: 928,573.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,176.07 : 1,631,404.79 = 672,878.45 : x
  2. Step 2: Convert to fraction form
    1,182,176.07/1,631,404.79 = 672,878.45/x
  3. Step 3: Cross multiply
    1,182,176.07x = 1,631,404.79 × 672,878.45
  4. Step 4: Simplify right side
    1,182,176.07x = 1,097,737,114,896.36
  5. Step 5: Solve for x
    x = 1,097,737,114,896.36/1,182,176.07
  6. Step 6: Final answer
    x = 928,573.28

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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.