Home / 1,018,349.22-1,405,346.69-559,493.51

Finding the Fourth Proportional to 1,018,349.22, 1,405,346.69 and 559,493.51

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Solution

The fourth proportional to 1,018,349.22, 1,405,346.69 and 559,493.51 is: 772,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,349.22 : 1,405,346.69 = 559,493.51 : x
  2. Step 2: Convert to fraction form
    1,018,349.22/1,405,346.69 = 559,493.51/x
  3. Step 3: Cross multiply
    1,018,349.22x = 1,405,346.69 × 559,493.51
  4. Step 4: Simplify right side
    1,018,349.22x = 786,282,342,530.78
  5. Step 5: Solve for x
    x = 786,282,342,530.78/1,018,349.22
  6. Step 6: Final answer
    x = 772,114.64

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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.