Finding the Fourth Proportional to 1,119,900.24, 1,545,423.84 and 636,456.96
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Solution
The fourth proportional to 1,119,900.24, 1,545,423.84 and 636,456.96 is: 878,288.73
Step by Step Solution
- Step 1: Write the proportion equation
1,119,900.24 : 1,545,423.84 = 636,456.96 : x - Step 2: Convert to fraction form
1,119,900.24/1,545,423.84 = 636,456.96/x - Step 3: Cross multiply
1,119,900.24x = 1,545,423.84 × 636,456.96 - Step 4: Simplify right side
1,119,900.24x = 983,595,759,117.93 - Step 5: Solve for x
x = 983,595,759,117.93/1,119,900.24 - Step 6: Final answer
x = 878,288.73
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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.