Home / 1,618,925.12-2,425,729.32-553,385.60

Finding the Fourth Proportional to 1,618,925.12, 2,425,729.32 and 553,385.60

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Solution

The fourth proportional to 1,618,925.12, 2,425,729.32 and 553,385.60 is: 829,169.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,925.12 : 2,425,729.32 = 553,385.60 : x
  2. Step 2: Convert to fraction form
    1,618,925.12/2,425,729.32 = 553,385.60/x
  3. Step 3: Cross multiply
    1,618,925.12x = 2,425,729.32 × 553,385.60
  4. Step 4: Simplify right side
    1,618,925.12x = 1,342,363,675,185.79
  5. Step 5: Solve for x
    x = 1,342,363,675,185.79/1,618,925.12
  6. Step 6: Final answer
    x = 829,169.71

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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.