Finding the Fourth Proportional to 1,230,645.93, 1,698,376.62 and 686,887.80
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Solution
The fourth proportional to 1,230,645.93, 1,698,376.62 and 686,887.80 is: 947,952.74
Step by Step Solution
- Step 1: Write the proportion equation
1,230,645.93 : 1,698,376.62 = 686,887.80 : x - Step 2: Convert to fraction form
1,230,645.93/1,698,376.62 = 686,887.80/x - Step 3: Cross multiply
1,230,645.93x = 1,698,376.62 × 686,887.80 - Step 4: Simplify right side
1,230,645.93x = 1,166,594,180,083.24 - Step 5: Solve for x
x = 1,166,594,180,083.24/1,230,645.93 - Step 6: Final answer
x = 947,952.74
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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.