Finding the Fourth Proportional to 1,038,021.62, 1,432,470.03 and 585,312.62
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Solution
The fourth proportional to 1,038,021.62, 1,432,470.03 and 585,312.62 is: 807,731.53
Step by Step Solution
- Step 1: Write the proportion equation
1,038,021.62 : 1,432,470.03 = 585,312.62 : x - Step 2: Convert to fraction form
1,038,021.62/1,432,470.03 = 585,312.62/x - Step 3: Cross multiply
1,038,021.62x = 1,432,470.03 × 585,312.62 - Step 4: Simplify right side
1,038,021.62x = 838,442,786,330.78 - Step 5: Solve for x
x = 838,442,786,330.78/1,038,021.62 - Step 6: Final answer
x = 807,731.53
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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.