Finding the Fourth Proportional to 1,326,347.39, 1,989,518.59 and 415,599.58
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Solution
The fourth proportional to 1,326,347.39, 1,989,518.59 and 415,599.58 is: 623,398.59
Step by Step Solution
- Step 1: Write the proportion equation
1,326,347.39 : 1,989,518.59 = 415,599.58 : x - Step 2: Convert to fraction form
1,326,347.39/1,989,518.59 = 415,599.58/x - Step 3: Cross multiply
1,326,347.39x = 1,989,518.59 × 415,599.58 - Step 4: Simplify right side
1,326,347.39x = 826,843,090,406.19 - Step 5: Solve for x
x = 826,843,090,406.19/1,326,347.39 - Step 6: Final answer
x = 623,398.59
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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.