Finding the Fourth Proportional to 1,036,916.78, 1,430,244.99 and 900,713.48
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Solution
The fourth proportional to 1,036,916.78, 1,430,244.99 and 900,713.48 is: 1,242,376.40
Step by Step Solution
- Step 1: Write the proportion equation
1,036,916.78 : 1,430,244.99 = 900,713.48 : x - Step 2: Convert to fraction form
1,036,916.78/1,430,244.99 = 900,713.48/x - Step 3: Cross multiply
1,036,916.78x = 1,430,244.99 × 900,713.48 - Step 4: Simplify right side
1,036,916.78x = 1,288,240,935,044.24 - Step 5: Solve for x
x = 1,288,240,935,044.24/1,036,916.78 - Step 6: Final answer
x = 1,242,376.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.