Home / 1,008,466.40-1,512,699.60-890,368.40

Finding the Fourth Proportional to 1,008,466.40, 1,512,699.60 and 890,368.40

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Solution

The fourth proportional to 1,008,466.40, 1,512,699.60 and 890,368.40 is: 1,335,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,466.40 : 1,512,699.60 = 890,368.40 : x
  2. Step 2: Convert to fraction form
    1,008,466.40/1,512,699.60 = 890,368.40/x
  3. Step 3: Cross multiply
    1,008,466.40x = 1,512,699.60 × 890,368.40
  4. Step 4: Simplify right side
    1,008,466.40x = 1,346,859,922,532.64
  5. Step 5: Solve for x
    x = 1,346,859,922,532.64/1,008,466.40
  6. Step 6: Final answer
    x = 1,335,552.60

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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.