Home / 1,347,048.80-2,020,135.80-448,337.60

Finding the Fourth Proportional to 1,347,048.80, 2,020,135.80 and 448,337.60

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Solution

The fourth proportional to 1,347,048.80, 2,020,135.80 and 448,337.60 is: 672,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,048.80 : 2,020,135.80 = 448,337.60 : x
  2. Step 2: Convert to fraction form
    1,347,048.80/2,020,135.80 = 448,337.60/x
  3. Step 3: Cross multiply
    1,347,048.80x = 2,020,135.80 × 448,337.60
  4. Step 4: Simplify right side
    1,347,048.80x = 905,702,836,246.08
  5. Step 5: Solve for x
    x = 905,702,836,246.08/1,347,048.80
  6. Step 6: Final answer
    x = 672,360.82

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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.