Home / 1,421,911.40-1,962,261.06-849,001.64

Finding the Fourth Proportional to 1,421,911.40, 1,962,261.06 and 849,001.64

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Solution

The fourth proportional to 1,421,911.40, 1,962,261.06 and 849,001.64 is: 1,171,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,911.40 : 1,962,261.06 = 849,001.64 : x
  2. Step 2: Convert to fraction form
    1,421,911.40/1,962,261.06 = 849,001.64/x
  3. Step 3: Cross multiply
    1,421,911.40x = 1,962,261.06 × 849,001.64
  4. Step 4: Simplify right side
    1,421,911.40x = 1,665,962,858,048.14
  5. Step 5: Solve for x
    x = 1,665,962,858,048.14/1,421,911.40
  6. Step 6: Final answer
    x = 1,171,636.19

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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.