Finding the Fourth Proportional to 1,122,239.36, 1,545,428.43 and 974,996.15
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Solution
The fourth proportional to 1,122,239.36, 1,545,428.43 and 974,996.15 is: 1,342,660.76
Step by Step Solution
- Step 1: Write the proportion equation
1,122,239.36 : 1,545,428.43 = 974,996.15 : x - Step 2: Convert to fraction form
1,122,239.36/1,545,428.43 = 974,996.15/x - Step 3: Cross multiply
1,122,239.36x = 1,545,428.43 × 974,996.15 - Step 4: Simplify right side
1,122,239.36x = 1,506,786,756,748.42 - Step 5: Solve for x
x = 1,506,786,756,748.42/1,122,239.36 - Step 6: Final answer
x = 1,342,660.76
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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.