Home / 1,047,782.79-1,571,729.87-448,140.20

Finding the Fourth Proportional to 1,047,782.79, 1,571,729.87 and 448,140.20

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Solution

The fourth proportional to 1,047,782.79, 1,571,729.87 and 448,140.20 is: 672,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,782.79 : 1,571,729.87 = 448,140.20 : x
  2. Step 2: Convert to fraction form
    1,047,782.79/1,571,729.87 = 448,140.20/x
  3. Step 3: Cross multiply
    1,047,782.79x = 1,571,729.87 × 448,140.20
  4. Step 4: Simplify right side
    1,047,782.79x = 704,355,331,549.48
  5. Step 5: Solve for x
    x = 704,355,331,549.48/1,047,782.79
  6. Step 6: Final answer
    x = 672,234.11

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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.