Home / 1,782,247.23-2,459,631.29-1,018,284.39

Finding the Fourth Proportional to 1,782,247.23, 2,459,631.29 and 1,018,284.39

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Solution

The fourth proportional to 1,782,247.23, 2,459,631.29 and 1,018,284.39 is: 1,405,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,247.23 : 2,459,631.29 = 1,018,284.39 : x
  2. Step 2: Convert to fraction form
    1,782,247.23/2,459,631.29 = 1,018,284.39/x
  3. Step 3: Cross multiply
    1,782,247.23x = 2,459,631.29 × 1,018,284.39
  4. Step 4: Simplify right side
    1,782,247.23x = 2,504,604,142,671.14
  5. Step 5: Solve for x
    x = 2,504,604,142,671.14/1,782,247.23
  6. Step 6: Final answer
    x = 1,405,306.79

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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.