Finding the Fourth Proportional to 1,224,035.94, 1,689,324.93 and 740,605.05
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Solution
The fourth proportional to 1,224,035.94, 1,689,324.93 and 740,605.05 is: 1,022,128.95
Step by Step Solution
- Step 1: Write the proportion equation
1,224,035.94 : 1,689,324.93 = 740,605.05 : x - Step 2: Convert to fraction form
1,224,035.94/1,689,324.93 = 740,605.05/x - Step 3: Cross multiply
1,224,035.94x = 1,689,324.93 × 740,605.05 - Step 4: Simplify right side
1,224,035.94x = 1,251,122,574,248.90 - Step 5: Solve for x
x = 1,251,122,574,248.90/1,224,035.94 - Step 6: Final answer
x = 1,022,128.95
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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.