Home / 1,001,090.76-1,380,398.27-637,939.41

Finding the Fourth Proportional to 1,001,090.76, 1,380,398.27 and 637,939.41

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Solution

The fourth proportional to 1,001,090.76, 1,380,398.27 and 637,939.41 is: 879,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,090.76 : 1,380,398.27 = 637,939.41 : x
  2. Step 2: Convert to fraction form
    1,001,090.76/1,380,398.27 = 637,939.41/x
  3. Step 3: Cross multiply
    1,001,090.76x = 1,380,398.27 × 637,939.41
  4. Step 4: Simplify right side
    1,001,090.76x = 880,610,454,739.12
  5. Step 5: Solve for x
    x = 880,610,454,739.12/1,001,090.76
  6. Step 6: Final answer
    x = 879,650.97

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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.