Home / 1,178,312.08-1,626,183.72-725,867.92

Finding the Fourth Proportional to 1,178,312.08, 1,626,183.72 and 725,867.92

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Solution

The fourth proportional to 1,178,312.08, 1,626,183.72 and 725,867.92 is: 1,001,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,312.08 : 1,626,183.72 = 725,867.92 : x
  2. Step 2: Convert to fraction form
    1,178,312.08/1,626,183.72 = 725,867.92/x
  3. Step 3: Cross multiply
    1,178,312.08x = 1,626,183.72 × 725,867.92
  4. Step 4: Simplify right side
    1,178,312.08x = 1,180,394,594,374.26
  5. Step 5: Solve for x
    x = 1,180,394,594,374.26/1,178,312.08
  6. Step 6: Final answer
    x = 1,001,767.37

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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.