Home / 1,383,520.96-1,908,532.89-1,125,686.08

Finding the Fourth Proportional to 1,383,520.96, 1,908,532.89 and 1,125,686.08

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Solution

The fourth proportional to 1,383,520.96, 1,908,532.89 and 1,125,686.08 is: 1,552,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,520.96 : 1,908,532.89 = 1,125,686.08 : x
  2. Step 2: Convert to fraction form
    1,383,520.96/1,908,532.89 = 1,125,686.08/x
  3. Step 3: Cross multiply
    1,383,520.96x = 1,908,532.89 × 1,125,686.08
  4. Step 4: Simplify right side
    1,383,520.96x = 2,148,408,907,495.17
  5. Step 5: Solve for x
    x = 2,148,408,907,495.17/1,383,520.96
  6. Step 6: Final answer
    x = 1,552,856.06

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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.