Finding the Fourth Proportional to 1,148,365, 1,721,968.35 and 668,747.80
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Solution
The fourth proportional to 1,148,365, 1,721,968.35 and 668,747.80 is: 1,002,784.43
Step by Step Solution
- Step 1: Write the proportion equation
1,148,365 : 1,721,968.35 = 668,747.80 : x - Step 2: Convert to fraction form
1,148,365/1,721,968.35 = 668,747.80/x - Step 3: Cross multiply
1,148,365x = 1,721,968.35 × 668,747.80 - Step 4: Simplify right side
1,148,365x = 1,151,562,545,732.13 - Step 5: Solve for x
x = 1,151,562,545,732.13/1,148,365 - Step 6: Final answer
x = 1,002,784.43
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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.