Home / 1,284,607.35-1,772,946.83-740,636.66

Finding the Fourth Proportional to 1,284,607.35, 1,772,946.83 and 740,636.66

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Solution

The fourth proportional to 1,284,607.35, 1,772,946.83 and 740,636.66 is: 1,022,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,607.35 : 1,772,946.83 = 740,636.66 : x
  2. Step 2: Convert to fraction form
    1,284,607.35/1,772,946.83 = 740,636.66/x
  3. Step 3: Cross multiply
    1,284,607.35x = 1,772,946.83 × 740,636.66
  4. Step 4: Simplify right side
    1,284,607.35x = 1,313,109,424,812.75
  5. Step 5: Solve for x
    x = 1,313,109,424,812.75/1,284,607.35
  6. Step 6: Final answer
    x = 1,022,187.38

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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.