Finding the Fourth Proportional to 1,197,579.84, 1,652,666.40 and 661,035.84
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Solution
The fourth proportional to 1,197,579.84, 1,652,666.40 and 661,035.84 is: 912,232.89
Step by Step Solution
- Step 1: Write the proportion equation
1,197,579.84 : 1,652,666.40 = 661,035.84 : x - Step 2: Convert to fraction form
1,197,579.84/1,652,666.40 = 661,035.84/x - Step 3: Cross multiply
1,197,579.84x = 1,652,666.40 × 661,035.84 - Step 4: Simplify right side
1,197,579.84x = 1,092,471,721,963.78 - Step 5: Solve for x
x = 1,092,471,721,963.78/1,197,579.84 - Step 6: Final answer
x = 912,232.89
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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.