Finding the Fourth Proportional to 1,133,700.12, 1,564,474.61 and 617,442.71
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Solution
The fourth proportional to 1,133,700.12, 1,564,474.61 and 617,442.71 is: 852,053.74
Step by Step Solution
- Step 1: Write the proportion equation
1,133,700.12 : 1,564,474.61 = 617,442.71 : x - Step 2: Convert to fraction form
1,133,700.12/1,564,474.61 = 617,442.71/x - Step 3: Cross multiply
1,133,700.12x = 1,564,474.61 × 617,442.71 - Step 4: Simplify right side
1,133,700.12x = 965,973,432,015.01 - Step 5: Solve for x
x = 965,973,432,015.01/1,133,700.12 - Step 6: Final answer
x = 852,053.74
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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.