Home / 1,047,477.78-1,571,185.58-289,364.85

Finding the Fourth Proportional to 1,047,477.78, 1,571,185.58 and 289,364.85

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Solution

The fourth proportional to 1,047,477.78, 1,571,185.58 and 289,364.85 is: 434,038.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,477.78 : 1,571,185.58 = 289,364.85 : x
  2. Step 2: Convert to fraction form
    1,047,477.78/1,571,185.58 = 289,364.85/x
  3. Step 3: Cross multiply
    1,047,477.78x = 1,571,185.58 × 289,364.85
  4. Step 4: Simplify right side
    1,047,477.78x = 454,645,878,232.04
  5. Step 5: Solve for x
    x = 454,645,878,232.04/1,047,477.78
  6. Step 6: Final answer
    x = 434,038.69

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Double scale
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1.5x scale

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.