Finding the Fourth Proportional to 1,108,646.10, 1,663,406.55 and 434,612.70
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Solution
The fourth proportional to 1,108,646.10, 1,663,406.55 and 434,612.70 is: 652,090.52
Step by Step Solution
- Step 1: Write the proportion equation
1,108,646.10 : 1,663,406.55 = 434,612.70 : x - Step 2: Convert to fraction form
1,108,646.10/1,663,406.55 = 434,612.70/x - Step 3: Cross multiply
1,108,646.10x = 1,663,406.55 × 434,612.70 - Step 4: Simplify right side
1,108,646.10x = 722,937,611,893.19 - Step 5: Solve for x
x = 722,937,611,893.19/1,108,646.10 - Step 6: Final answer
x = 652,090.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.