Home / 1,047,400.50-1,571,191.89-289,242.93

Finding the Fourth Proportional to 1,047,400.50, 1,571,191.89 and 289,242.93

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Solution

The fourth proportional to 1,047,400.50, 1,571,191.89 and 289,242.93 is: 433,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,400.50 : 1,571,191.89 = 289,242.93 : x
  2. Step 2: Convert to fraction form
    1,047,400.50/1,571,191.89 = 289,242.93/x
  3. Step 3: Cross multiply
    1,047,400.50x = 1,571,191.89 × 289,242.93
  4. Step 4: Simplify right side
    1,047,400.50x = 454,456,145,855.84
  5. Step 5: Solve for x
    x = 454,456,145,855.84/1,047,400.50
  6. Step 6: Final answer
    x = 433,889.56

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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.