Home / 1,539,745.60-2,309,618.40-417,814.60

Finding the Fourth Proportional to 1,539,745.60, 2,309,618.40 and 417,814.60

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Solution

The fourth proportional to 1,539,745.60, 2,309,618.40 and 417,814.60 is: 626,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,745.60 : 2,309,618.40 = 417,814.60 : x
  2. Step 2: Convert to fraction form
    1,539,745.60/2,309,618.40 = 417,814.60/x
  3. Step 3: Cross multiply
    1,539,745.60x = 2,309,618.40 × 417,814.60
  4. Step 4: Simplify right side
    1,539,745.60x = 964,992,287,948.64
  5. Step 5: Solve for x
    x = 964,992,287,948.64/1,539,745.60
  6. Step 6: Final answer
    x = 626,721.90

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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.