Home / 1,009,726.12-1,393,399.62-557,017

Finding the Fourth Proportional to 1,009,726.12, 1,393,399.62 and 557,017

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Solution

The fourth proportional to 1,009,726.12, 1,393,399.62 and 557,017 is: 768,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,726.12 : 1,393,399.62 = 557,017 : x
  2. Step 2: Convert to fraction form
    1,009,726.12/1,393,399.62 = 557,017/x
  3. Step 3: Cross multiply
    1,009,726.12x = 1,393,399.62 × 557,017
  4. Step 4: Simplify right side
    1,009,726.12x = 776,147,276,133.54
  5. Step 5: Solve for x
    x = 776,147,276,133.54/1,009,726.12
  6. Step 6: Final answer
    x = 768,671.09

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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.