Home / 1,289,840.60-1,934,779.80-491,166.30

Finding the Fourth Proportional to 1,289,840.60, 1,934,779.80 and 491,166.30

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Solution

The fourth proportional to 1,289,840.60, 1,934,779.80 and 491,166.30 is: 736,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,840.60 : 1,934,779.80 = 491,166.30 : x
  2. Step 2: Convert to fraction form
    1,289,840.60/1,934,779.80 = 491,166.30/x
  3. Step 3: Cross multiply
    1,289,840.60x = 1,934,779.80 × 491,166.30
  4. Step 4: Simplify right side
    1,289,840.60x = 950,298,635,680.74
  5. Step 5: Solve for x
    x = 950,298,635,680.74/1,289,840.60
  6. Step 6: Final answer
    x = 736,756.65

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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.