Finding the Fourth Proportional to 1,015,368.66, 1,401,160.68 and 607,695.12
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Solution
The fourth proportional to 1,015,368.66, 1,401,160.68 and 607,695.12 is: 838,590.50
Step by Step Solution
- Step 1: Write the proportion equation
1,015,368.66 : 1,401,160.68 = 607,695.12 : x - Step 2: Convert to fraction form
1,015,368.66/1,401,160.68 = 607,695.12/x - Step 3: Cross multiply
1,015,368.66x = 1,401,160.68 × 607,695.12 - Step 4: Simplify right side
1,015,368.66x = 851,478,507,571.88 - Step 5: Solve for x
x = 851,478,507,571.88/1,015,368.66 - Step 6: Final answer
x = 838,590.50
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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.