Finding the Fourth Proportional to 1,092,395.64, 1,638,239.04 and 418,441.08
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Solution
The fourth proportional to 1,092,395.64, 1,638,239.04 and 418,441.08 is: 627,525.86
Step by Step Solution
- Step 1: Write the proportion equation
1,092,395.64 : 1,638,239.04 = 418,441.08 : x - Step 2: Convert to fraction form
1,092,395.64/1,638,239.04 = 418,441.08/x - Step 3: Cross multiply
1,092,395.64x = 1,638,239.04 × 418,441.08 - Step 4: Simplify right side
1,092,395.64x = 685,506,513,195.76 - Step 5: Solve for x
x = 685,506,513,195.76/1,092,395.64 - Step 6: Final answer
x = 627,525.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.