Finding the Fourth Proportional to 1,007,994.99, 1,391,032.47 and 555,285.99
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Solution
The fourth proportional to 1,007,994.99, 1,391,032.47 and 555,285.99 is: 766,294.33
Step by Step Solution
- Step 1: Write the proportion equation
1,007,994.99 : 1,391,032.47 = 555,285.99 : x - Step 2: Convert to fraction form
1,007,994.99/1,391,032.47 = 555,285.99/x - Step 3: Cross multiply
1,007,994.99x = 1,391,032.47 × 555,285.99 - Step 4: Simplify right side
1,007,994.99x = 772,420,842,226.10 - Step 5: Solve for x
x = 772,420,842,226.10/1,007,994.99 - Step 6: Final answer
x = 766,294.33
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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.