Finding the Fourth Proportional to 1,223,670.63, 1,688,712.87 and 837,295.98
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Solution
The fourth proportional to 1,223,670.63, 1,688,712.87 and 837,295.98 is: 1,155,500.89
Step by Step Solution
- Step 1: Write the proportion equation
1,223,670.63 : 1,688,712.87 = 837,295.98 : x - Step 2: Convert to fraction form
1,223,670.63/1,688,712.87 = 837,295.98/x - Step 3: Cross multiply
1,223,670.63x = 1,688,712.87 × 837,295.98 - Step 4: Simplify right side
1,223,670.63x = 1,413,952,497,425.26 - Step 5: Solve for x
x = 1,413,952,497,425.26/1,223,670.63 - Step 6: Final answer
x = 1,155,500.89
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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.