Home / 1,535,403.96-2,118,172.32-890,450.64

Finding the Fourth Proportional to 1,535,403.96, 2,118,172.32 and 890,450.64

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Solution

The fourth proportional to 1,535,403.96, 2,118,172.32 and 890,450.64 is: 1,228,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,403.96 : 2,118,172.32 = 890,450.64 : x
  2. Step 2: Convert to fraction form
    1,535,403.96/2,118,172.32 = 890,450.64/x
  3. Step 3: Cross multiply
    1,535,403.96x = 2,118,172.32 × 890,450.64
  4. Step 4: Simplify right side
    1,535,403.96x = 1,886,127,897,974.28
  5. Step 5: Solve for x
    x = 1,886,127,897,974.28/1,535,403.96
  6. Step 6: Final answer
    x = 1,228,424.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.