Home / 1,298,540.40-1,944,311.40-1,018,604.40

Finding the Fourth Proportional to 1,298,540.40, 1,944,311.40 and 1,018,604.40

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Solution

The fourth proportional to 1,298,540.40, 1,944,311.40 and 1,018,604.40 is: 1,525,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,540.40 : 1,944,311.40 = 1,018,604.40 : x
  2. Step 2: Convert to fraction form
    1,298,540.40/1,944,311.40 = 1,018,604.40/x
  3. Step 3: Cross multiply
    1,298,540.40x = 1,944,311.40 × 1,018,604.40
  4. Step 4: Simplify right side
    1,298,540.40x = 1,980,484,147,010.16
  5. Step 5: Solve for x
    x = 1,980,484,147,010.16/1,298,540.40
  6. Step 6: Final answer
    x = 1,525,161.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.