Home / 1,323,455.10-1,981,983.69-753,107.10

Finding the Fourth Proportional to 1,323,455.10, 1,981,983.69 and 753,107.10

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Solution

The fourth proportional to 1,323,455.10, 1,981,983.69 and 753,107.10 is: 1,127,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,455.10 : 1,981,983.69 = 753,107.10 : x
  2. Step 2: Convert to fraction form
    1,323,455.10/1,981,983.69 = 753,107.10/x
  3. Step 3: Cross multiply
    1,323,455.10x = 1,981,983.69 × 753,107.10
  4. Step 4: Simplify right side
    1,323,455.10x = 1,492,645,989,023.20
  5. Step 5: Solve for x
    x = 1,492,645,989,023.20/1,323,455.10
  6. Step 6: Final answer
    x = 1,127,840.29

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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.