Finding the Fourth Proportional to 1,237,420.80, 1,853,020.80 and 988,588.80
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Solution
The fourth proportional to 1,237,420.80, 1,853,020.80 and 988,588.80 is: 1,480,398.27
Step by Step Solution
- Step 1: Write the proportion equation
1,237,420.80 : 1,853,020.80 = 988,588.80 : x - Step 2: Convert to fraction form
1,237,420.80/1,853,020.80 = 988,588.80/x - Step 3: Cross multiply
1,237,420.80x = 1,853,020.80 × 988,588.80 - Step 4: Simplify right side
1,237,420.80x = 1,831,875,609,047.04 - Step 5: Solve for x
x = 1,831,875,609,047.04/1,237,420.80 - Step 6: Final answer
x = 1,480,398.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.