Home / 1,047,289.68-1,570,816.88-289,238.91

Finding the Fourth Proportional to 1,047,289.68, 1,570,816.88 and 289,238.91

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Solution

The fourth proportional to 1,047,289.68, 1,570,816.88 and 289,238.91 is: 433,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,289.68 : 1,570,816.88 = 289,238.91 : x
  2. Step 2: Convert to fraction form
    1,047,289.68/1,570,816.88 = 289,238.91/x
  3. Step 3: Cross multiply
    1,047,289.68x = 1,570,816.88 × 289,238.91
  4. Step 4: Simplify right side
    1,047,289.68x = 454,341,362,180.80
  5. Step 5: Solve for x
    x = 454,341,362,180.80/1,047,289.68
  6. Step 6: Final answer
    x = 433,825.88

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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.