Finding the Fourth Proportional to 1,361,317.49, 1,878,546.80 and 749,350.71
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Solution
The fourth proportional to 1,361,317.49, 1,878,546.80 and 749,350.71 is: 1,034,064.71
Step by Step Solution
- Step 1: Write the proportion equation
1,361,317.49 : 1,878,546.80 = 749,350.71 : x - Step 2: Convert to fraction form
1,361,317.49/1,878,546.80 = 749,350.71/x - Step 3: Cross multiply
1,361,317.49x = 1,878,546.80 × 749,350.71 - Step 4: Simplify right side
1,361,317.49x = 1,407,690,374,601.47 - Step 5: Solve for x
x = 1,407,690,374,601.47/1,361,317.49 - Step 6: Final answer
x = 1,034,064.71
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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.