Finding the Fourth Proportional to 1,134,043.61, 1,564,980.09 and 624,745.98
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Solution
The fourth proportional to 1,134,043.61, 1,564,980.09 and 624,745.98 is: 862,149.40
Step by Step Solution
- Step 1: Write the proportion equation
1,134,043.61 : 1,564,980.09 = 624,745.98 : x - Step 2: Convert to fraction form
1,134,043.61/1,564,980.09 = 624,745.98/x - Step 3: Cross multiply
1,134,043.61x = 1,564,980.09 × 624,745.98 - Step 4: Simplify right side
1,134,043.61x = 977,715,020,007.54 - Step 5: Solve for x
x = 977,715,020,007.54/1,134,043.61 - Step 6: Final answer
x = 862,149.40
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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.