Finding the Fourth Proportional to 1,113,660.09, 1,536,837.71 and 655,070.49
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Solution
The fourth proportional to 1,113,660.09, 1,536,837.71 and 655,070.49 is: 903,989.50
Step by Step Solution
- Step 1: Write the proportion equation
1,113,660.09 : 1,536,837.71 = 655,070.49 : x - Step 2: Convert to fraction form
1,113,660.09/1,536,837.71 = 655,070.49/x - Step 3: Cross multiply
1,113,660.09x = 1,536,837.71 × 655,070.49 - Step 4: Simplify right side
1,113,660.09x = 1,006,737,028,464.83 - Step 5: Solve for x
x = 1,006,737,028,464.83/1,113,660.09 - Step 6: Final answer
x = 903,989.50
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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.