Home / 1,018,415.10-1,405,414.75-559,525.77

Finding the Fourth Proportional to 1,018,415.10, 1,405,414.75 and 559,525.77

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Solution

The fourth proportional to 1,018,415.10, 1,405,414.75 and 559,525.77 is: 772,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,415.10 : 1,405,414.75 = 559,525.77 : x
  2. Step 2: Convert to fraction form
    1,018,415.10/1,405,414.75 = 559,525.77/x
  3. Step 3: Cross multiply
    1,018,415.10x = 1,405,414.75 × 559,525.77
  4. Step 4: Simplify right side
    1,018,415.10x = 786,365,769,813.40
  5. Step 5: Solve for x
    x = 786,365,769,813.40/1,018,415.10
  6. Step 6: Final answer
    x = 772,146.61

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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.