Finding the Fourth Proportional to 1,047,152.84, 1,445,032.26 and 639,935.96
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Solution
The fourth proportional to 1,047,152.84, 1,445,032.26 and 639,935.96 is: 883,088.00
Step by Step Solution
- Step 1: Write the proportion equation
1,047,152.84 : 1,445,032.26 = 639,935.96 : x - Step 2: Convert to fraction form
1,047,152.84/1,445,032.26 = 639,935.96/x - Step 3: Cross multiply
1,047,152.84x = 1,445,032.26 × 639,935.96 - Step 4: Simplify right side
1,047,152.84x = 924,728,106,534.07 - Step 5: Solve for x
x = 924,728,106,534.07/1,047,152.84 - Step 6: Final answer
x = 883,088.00
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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.