Home / 1,629,842.96-2,445,264.96-778,001.60

Finding the Fourth Proportional to 1,629,842.96, 2,445,264.96 and 778,001.60

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Solution

The fourth proportional to 1,629,842.96, 2,445,264.96 and 778,001.60 is: 1,167,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,842.96 : 2,445,264.96 = 778,001.60 : x
  2. Step 2: Convert to fraction form
    1,629,842.96/2,445,264.96 = 778,001.60/x
  3. Step 3: Cross multiply
    1,629,842.96x = 2,445,264.96 × 778,001.60
  4. Step 4: Simplify right side
    1,629,842.96x = 1,902,420,051,303.94
  5. Step 5: Solve for x
    x = 1,902,420,051,303.94/1,629,842.96
  6. Step 6: Final answer
    x = 1,167,241.32

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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.