Finding the Fourth Proportional to 1,064,582.56, 1,465,394.99 and 928,376.20
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Solution
The fourth proportional to 1,064,582.56, 1,465,394.99 and 928,376.20 is: 1,277,907.31
Step by Step Solution
- Step 1: Write the proportion equation
1,064,582.56 : 1,465,394.99 = 928,376.20 : x - Step 2: Convert to fraction form
1,064,582.56/1,465,394.99 = 928,376.20/x - Step 3: Cross multiply
1,064,582.56x = 1,465,394.99 × 928,376.20 - Step 4: Simplify right side
1,064,582.56x = 1,360,437,840,102.93 - Step 5: Solve for x
x = 1,360,437,840,102.93/1,064,582.56 - Step 6: Final answer
x = 1,277,907.31
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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.