Home / 1,018,123.85-1,405,035.16-559,248.03

Finding the Fourth Proportional to 1,018,123.85, 1,405,035.16 and 559,248.03

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Solution

The fourth proportional to 1,018,123.85, 1,405,035.16 and 559,248.03 is: 771,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,123.85 : 1,405,035.16 = 559,248.03 : x
  2. Step 2: Convert to fraction form
    1,018,123.85/1,405,035.16 = 559,248.03/x
  3. Step 3: Cross multiply
    1,018,123.85x = 1,405,035.16 × 559,248.03
  4. Step 4: Simplify right side
    1,018,123.85x = 785,763,135,489.32
  5. Step 5: Solve for x
    x = 785,763,135,489.32/1,018,123.85
  6. Step 6: Final answer
    x = 771,775.59

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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.