Home / 1,217,004.12-1,679,451.30-673,097.22

Finding the Fourth Proportional to 1,217,004.12, 1,679,451.30 and 673,097.22

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Solution

The fourth proportional to 1,217,004.12, 1,679,451.30 and 673,097.22 is: 928,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,004.12 : 1,679,451.30 = 673,097.22 : x
  2. Step 2: Convert to fraction form
    1,217,004.12/1,679,451.30 = 673,097.22/x
  3. Step 3: Cross multiply
    1,217,004.12x = 1,679,451.30 × 673,097.22
  4. Step 4: Simplify right side
    1,217,004.12x = 1,130,434,001,155.39
  5. Step 5: Solve for x
    x = 1,130,434,001,155.39/1,217,004.12
  6. Step 6: Final answer
    x = 928,866.21

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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.