Home / 1,009,897.74-1,393,620.39-557,188.74

Finding the Fourth Proportional to 1,009,897.74, 1,393,620.39 and 557,188.74

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Solution

The fourth proportional to 1,009,897.74, 1,393,620.39 and 557,188.74 is: 768,899.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,897.74 : 1,393,620.39 = 557,188.74 : x
  2. Step 2: Convert to fraction form
    1,009,897.74/1,393,620.39 = 557,188.74/x
  3. Step 3: Cross multiply
    1,009,897.74x = 1,393,620.39 × 557,188.74
  4. Step 4: Simplify right side
    1,009,897.74x = 776,509,589,142.41
  5. Step 5: Solve for x
    x = 776,509,589,142.41/1,009,897.74
  6. Step 6: Final answer
    x = 768,899.22

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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.