Home / 1,018,349.72-1,405,347.38-559,494.01

Finding the Fourth Proportional to 1,018,349.72, 1,405,347.38 and 559,494.01

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Solution

The fourth proportional to 1,018,349.72, 1,405,347.38 and 559,494.01 is: 772,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,349.72 : 1,405,347.38 = 559,494.01 : x
  2. Step 2: Convert to fraction form
    1,018,349.72/1,405,347.38 = 559,494.01/x
  3. Step 3: Cross multiply
    1,018,349.72x = 1,405,347.38 × 559,494.01
  4. Step 4: Simplify right side
    1,018,349.72x = 786,283,431,254.99
  5. Step 5: Solve for x
    x = 786,283,431,254.99/1,018,349.72
  6. Step 6: Final answer
    x = 772,115.33

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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.