Finding the Fourth Proportional to 1,046,220.98, 1,444,465.73 and 638,559.18
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Solution
The fourth proportional to 1,046,220.98, 1,444,465.73 and 638,559.18 is: 881,627.19
Step by Step Solution
- Step 1: Write the proportion equation
1,046,220.98 : 1,444,465.73 = 638,559.18 : x - Step 2: Convert to fraction form
1,046,220.98/1,444,465.73 = 638,559.18/x - Step 3: Cross multiply
1,046,220.98x = 1,444,465.73 × 638,559.18 - Step 4: Simplify right side
1,046,220.98x = 922,376,853,683.30 - Step 5: Solve for x
x = 922,376,853,683.30/1,046,220.98 - Step 6: Final answer
x = 881,627.19
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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.