Home / 1,421,910.40-1,962,259.68-849,000.64

Finding the Fourth Proportional to 1,421,910.40, 1,962,259.68 and 849,000.64

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Solution

The fourth proportional to 1,421,910.40, 1,962,259.68 and 849,000.64 is: 1,171,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,910.40 : 1,962,259.68 = 849,000.64 : x
  2. Step 2: Convert to fraction form
    1,421,910.40/1,962,259.68 = 849,000.64/x
  3. Step 3: Cross multiply
    1,421,910.40x = 1,962,259.68 × 849,000.64
  4. Step 4: Simplify right side
    1,421,910.40x = 1,665,959,724,166.20
  5. Step 5: Solve for x
    x = 1,665,959,724,166.20/1,421,910.40
  6. Step 6: Final answer
    x = 1,171,634.81

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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.