Home / 1,336,421.60-2,004,826.80-437,645.60

Finding the Fourth Proportional to 1,336,421.60, 2,004,826.80 and 437,645.60

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Solution

The fourth proportional to 1,336,421.60, 2,004,826.80 and 437,645.60 is: 656,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,421.60 : 2,004,826.80 = 437,645.60 : x
  2. Step 2: Convert to fraction form
    1,336,421.60/2,004,826.80 = 437,645.60/x
  3. Step 3: Cross multiply
    1,336,421.60x = 2,004,826.80 × 437,645.60
  4. Step 4: Simplify right side
    1,336,421.60x = 877,403,627,782.08
  5. Step 5: Solve for x
    x = 877,403,627,782.08/1,336,421.60
  6. Step 6: Final answer
    x = 656,532.06

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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.