Finding the Fourth Proportional to 1,445,233.68, 2,167,962.68 and 434,276.72
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Solution
The fourth proportional to 1,445,233.68, 2,167,962.68 and 434,276.72 is: 651,448.78
Step by Step Solution
- Step 1: Write the proportion equation
1,445,233.68 : 2,167,962.68 = 434,276.72 : x - Step 2: Convert to fraction form
1,445,233.68/2,167,962.68 = 434,276.72/x - Step 3: Cross multiply
1,445,233.68x = 2,167,962.68 × 434,276.72 - Step 4: Simplify right side
1,445,233.68x = 941,495,721,752.81 - Step 5: Solve for x
x = 941,495,721,752.81/1,445,233.68 - Step 6: Final answer
x = 651,448.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.