Home / 1,421,911.65-1,962,261.41-849,001.89

Finding the Fourth Proportional to 1,421,911.65, 1,962,261.41 and 849,001.89

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Solution

The fourth proportional to 1,421,911.65, 1,962,261.41 and 849,001.89 is: 1,171,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,911.65 : 1,962,261.41 = 849,001.89 : x
  2. Step 2: Convert to fraction form
    1,421,911.65/1,962,261.41 = 849,001.89/x
  3. Step 3: Cross multiply
    1,421,911.65x = 1,962,261.41 × 849,001.89
  4. Step 4: Simplify right side
    1,421,911.65x = 1,665,963,641,519.06
  5. Step 5: Solve for x
    x = 1,665,963,641,519.06/1,421,911.65
  6. Step 6: Final answer
    x = 1,171,636.54

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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.