Home / 1,321,070.81-1,823,084.67-740,295.23

Finding the Fourth Proportional to 1,321,070.81, 1,823,084.67 and 740,295.23

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Solution

The fourth proportional to 1,321,070.81, 1,823,084.67 and 740,295.23 is: 1,021,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,070.81 : 1,823,084.67 = 740,295.23 : x
  2. Step 2: Convert to fraction form
    1,321,070.81/1,823,084.67 = 740,295.23/x
  3. Step 3: Cross multiply
    1,321,070.81x = 1,823,084.67 × 740,295.23
  4. Step 4: Simplify right side
    1,321,070.81x = 1,349,620,875,971.70
  5. Step 5: Solve for x
    x = 1,349,620,875,971.70/1,321,070.81
  6. Step 6: Final answer
    x = 1,021,611.31

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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.