Home / 1,113,214.49-1,669,817.63-403,076.45

Finding the Fourth Proportional to 1,113,214.49, 1,669,817.63 and 403,076.45

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Solution

The fourth proportional to 1,113,214.49, 1,669,817.63 and 403,076.45 is: 604,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,214.49 : 1,669,817.63 = 403,076.45 : x
  2. Step 2: Convert to fraction form
    1,113,214.49/1,669,817.63 = 403,076.45/x
  3. Step 3: Cross multiply
    1,113,214.49x = 1,669,817.63 × 403,076.45
  4. Step 4: Simplify right side
    1,113,214.49x = 673,064,167,630.05
  5. Step 5: Solve for x
    x = 673,064,167,630.05/1,113,214.49
  6. Step 6: Final answer
    x = 604,613.19

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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.