Home / 1,446,860.02-2,170,078.73-421,914.89

Finding the Fourth Proportional to 1,446,860.02, 2,170,078.73 and 421,914.89

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Solution

The fourth proportional to 1,446,860.02, 2,170,078.73 and 421,914.89 is: 632,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446,860.02 : 2,170,078.73 = 421,914.89 : x
  2. Step 2: Convert to fraction form
    1,446,860.02/2,170,078.73 = 421,914.89/x
  3. Step 3: Cross multiply
    1,446,860.02x = 2,170,078.73 × 421,914.89
  4. Step 4: Simplify right side
    1,446,860.02x = 915,588,517,808.90
  5. Step 5: Solve for x
    x = 915,588,517,808.90/1,446,860.02
  6. Step 6: Final answer
    x = 632,810.71

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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.