Finding the Fourth Proportional to 1,295,923.35, 1,788,374.99 and 722,963.52
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Solution
The fourth proportional to 1,295,923.35, 1,788,374.99 and 722,963.52 is: 997,690.09
Step by Step Solution
- Step 1: Write the proportion equation
1,295,923.35 : 1,788,374.99 = 722,963.52 : x - Step 2: Convert to fraction form
1,295,923.35/1,788,374.99 = 722,963.52/x - Step 3: Cross multiply
1,295,923.35x = 1,788,374.99 × 722,963.52 - Step 4: Simplify right side
1,295,923.35x = 1,292,929,877,850.36 - Step 5: Solve for x
x = 1,292,929,877,850.36/1,295,923.35 - Step 6: Final answer
x = 997,690.09
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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.