Home / 1,604,558.91-2,214,308.63-879,391.02

Finding the Fourth Proportional to 1,604,558.91, 2,214,308.63 and 879,391.02

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Solution

The fourth proportional to 1,604,558.91, 2,214,308.63 and 879,391.02 is: 1,213,569.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,558.91 : 2,214,308.63 = 879,391.02 : x
  2. Step 2: Convert to fraction form
    1,604,558.91/2,214,308.63 = 879,391.02/x
  3. Step 3: Cross multiply
    1,604,558.91x = 2,214,308.63 × 879,391.02
  4. Step 4: Simplify right side
    1,604,558.91x = 1,947,243,135,232.64
  5. Step 5: Solve for x
    x = 1,947,243,135,232.64/1,604,558.91
  6. Step 6: Final answer
    x = 1,213,569.11

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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.