Home / 1,047,879.98-1,571,817.90-289,719.50

Finding the Fourth Proportional to 1,047,879.98, 1,571,817.90 and 289,719.50

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Solution

The fourth proportional to 1,047,879.98, 1,571,817.90 and 289,719.50 is: 434,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,879.98 : 1,571,817.90 = 289,719.50 : x
  2. Step 2: Convert to fraction form
    1,047,879.98/1,571,817.90 = 289,719.50/x
  3. Step 3: Cross multiply
    1,047,879.98x = 1,571,817.90 × 289,719.50
  4. Step 4: Simplify right side
    1,047,879.98x = 455,386,296,079.05
  5. Step 5: Solve for x
    x = 455,386,296,079.05/1,047,879.98
  6. Step 6: Final answer
    x = 434,578.68

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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.