Home / 1,047,481.40-1,571,190.92-289,368.50

Finding the Fourth Proportional to 1,047,481.40, 1,571,190.92 and 289,368.50

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Solution

The fourth proportional to 1,047,481.40, 1,571,190.92 and 289,368.50 is: 434,044.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,481.40 : 1,571,190.92 = 289,368.50 : x
  2. Step 2: Convert to fraction form
    1,047,481.40/1,571,190.92 = 289,368.50/x
  3. Step 3: Cross multiply
    1,047,481.40x = 1,571,190.92 × 289,368.50
  4. Step 4: Simplify right side
    1,047,481.40x = 454,653,159,734.02
  5. Step 5: Solve for x
    x = 454,653,159,734.02/1,047,481.40
  6. Step 6: Final answer
    x = 434,044.14

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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.