Home / 1,018,174.91-1,405,090.40-559,298.79

Finding the Fourth Proportional to 1,018,174.91, 1,405,090.40 and 559,298.79

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Solution

The fourth proportional to 1,018,174.91, 1,405,090.40 and 559,298.79 is: 771,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,174.91 : 1,405,090.40 = 559,298.79 : x
  2. Step 2: Convert to fraction form
    1,018,174.91/1,405,090.40 = 559,298.79/x
  3. Step 3: Cross multiply
    1,018,174.91x = 1,405,090.40 × 559,298.79
  4. Step 4: Simplify right side
    1,018,174.91x = 785,865,360,560.62
  5. Step 5: Solve for x
    x = 785,865,360,560.62/1,018,174.91
  6. Step 6: Final answer
    x = 771,837.29

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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.