Home / 1,879,703.34-2,815,762.78-867,419.07

Finding the Fourth Proportional to 1,879,703.34, 2,815,762.78 and 867,419.07

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Solution

The fourth proportional to 1,879,703.34, 2,815,762.78 and 867,419.07 is: 1,299,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,703.34 : 2,815,762.78 = 867,419.07 : x
  2. Step 2: Convert to fraction form
    1,879,703.34/2,815,762.78 = 867,419.07/x
  3. Step 3: Cross multiply
    1,879,703.34x = 2,815,762.78 × 867,419.07
  4. Step 4: Simplify right side
    1,879,703.34x = 2,442,446,331,968.21
  5. Step 5: Solve for x
    x = 2,442,446,331,968.21/1,879,703.34
  6. Step 6: Final answer
    x = 1,299,378.62

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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.