Finding the Fourth Proportional to 1,202,132.01, 1,658,962.58 and 658,259.13
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Solution
The fourth proportional to 1,202,132.01, 1,658,962.58 and 658,259.13 is: 908,408.77
Step by Step Solution
- Step 1: Write the proportion equation
1,202,132.01 : 1,658,962.58 = 658,259.13 : x - Step 2: Convert to fraction form
1,202,132.01/1,658,962.58 = 658,259.13/x - Step 3: Cross multiply
1,202,132.01x = 1,658,962.58 × 658,259.13 - Step 4: Simplify right side
1,202,132.01x = 1,092,027,261,322.06 - Step 5: Solve for x
x = 1,092,027,261,322.06/1,202,132.01 - Step 6: Final answer
x = 908,408.77
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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.