Home / 1,213,237.23-1,819,899.59-455,001.90

Finding the Fourth Proportional to 1,213,237.23, 1,819,899.59 and 455,001.90

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Solution

The fourth proportional to 1,213,237.23, 1,819,899.59 and 455,001.90 is: 682,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,237.23 : 1,819,899.59 = 455,001.90 : x
  2. Step 2: Convert to fraction form
    1,213,237.23/1,819,899.59 = 455,001.90/x
  3. Step 3: Cross multiply
    1,213,237.23x = 1,819,899.59 × 455,001.90
  4. Step 4: Simplify right side
    1,213,237.23x = 828,057,768,984.21
  5. Step 5: Solve for x
    x = 828,057,768,984.21/1,213,237.23
  6. Step 6: Final answer
    x = 682,519.25

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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.