Home / 1,465,072.60-2,021,703.96-820,345

Finding the Fourth Proportional to 1,465,072.60, 2,021,703.96 and 820,345

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Solution

The fourth proportional to 1,465,072.60, 2,021,703.96 and 820,345 is: 1,132,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,072.60 : 2,021,703.96 = 820,345 : x
  2. Step 2: Convert to fraction form
    1,465,072.60/2,021,703.96 = 820,345/x
  3. Step 3: Cross multiply
    1,465,072.60x = 2,021,703.96 × 820,345
  4. Step 4: Simplify right side
    1,465,072.60x = 1,658,494,735,066.20
  5. Step 5: Solve for x
    x = 1,658,494,735,066.20/1,465,072.60
  6. Step 6: Final answer
    x = 1,132,022.22

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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.