Finding the Fourth Proportional to 1,326,257.07, 1,830,234.74 and 722,645.07
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Solution
The fourth proportional to 1,326,257.07, 1,830,234.74 and 722,645.07 is: 997,250.19
Step by Step Solution
- Step 1: Write the proportion equation
1,326,257.07 : 1,830,234.74 = 722,645.07 : x - Step 2: Convert to fraction form
1,326,257.07/1,830,234.74 = 722,645.07/x - Step 3: Cross multiply
1,326,257.07x = 1,830,234.74 × 722,645.07 - Step 4: Simplify right side
1,326,257.07x = 1,322,610,111,803.73 - Step 5: Solve for x
x = 1,322,610,111,803.73/1,326,257.07 - Step 6: Final answer
x = 997,250.19
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1.5x scale
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.