Home / 1,047,560.34-1,571,091.30-289,384.95

Finding the Fourth Proportional to 1,047,560.34, 1,571,091.30 and 289,384.95

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Solution

The fourth proportional to 1,047,560.34, 1,571,091.30 and 289,384.95 is: 434,008.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,560.34 : 1,571,091.30 = 289,384.95 : x
  2. Step 2: Convert to fraction form
    1,047,560.34/1,571,091.30 = 289,384.95/x
  3. Step 3: Cross multiply
    1,047,560.34x = 1,571,091.30 × 289,384.95
  4. Step 4: Simplify right side
    1,047,560.34x = 454,650,177,295.94
  5. Step 5: Solve for x
    x = 454,650,177,295.94/1,047,560.34
  6. Step 6: Final answer
    x = 434,008.58

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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.