Finding the Fourth Proportional to 1,223,640.99, 1,688,672.20 and 837,266.47
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Solution
The fourth proportional to 1,223,640.99, 1,688,672.20 and 837,266.47 is: 1,155,460.32
Step by Step Solution
- Step 1: Write the proportion equation
1,223,640.99 : 1,688,672.20 = 837,266.47 : x - Step 2: Convert to fraction form
1,223,640.99/1,688,672.20 = 837,266.47/x - Step 3: Cross multiply
1,223,640.99x = 1,688,672.20 × 837,266.47 - Step 4: Simplify right side
1,223,640.99x = 1,413,868,611,881.13 - Step 5: Solve for x
x = 1,413,868,611,881.13/1,223,640.99 - Step 6: Final answer
x = 1,155,460.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.