Finding the Fourth Proportional to 1,128,975.68, 1,557,929.52 and 670,110.27
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Solution
The fourth proportional to 1,128,975.68, 1,557,929.52 and 670,110.27 is: 924,718.39
Step by Step Solution
- Step 1: Write the proportion equation
1,128,975.68 : 1,557,929.52 = 670,110.27 : x - Step 2: Convert to fraction form
1,128,975.68/1,557,929.52 = 670,110.27/x - Step 3: Cross multiply
1,128,975.68x = 1,557,929.52 × 670,110.27 - Step 4: Simplify right side
1,128,975.68x = 1,043,984,571,288.17 - Step 5: Solve for x
x = 1,043,984,571,288.17/1,128,975.68 - Step 6: Final answer
x = 924,718.39
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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.