Finding the Fourth Proportional to 1,148,652.04, 1,585,139.70 and 639,343.48
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Solution
The fourth proportional to 1,148,652.04, 1,585,139.70 and 639,343.48 is: 882,293.94
Step by Step Solution
- Step 1: Write the proportion equation
1,148,652.04 : 1,585,139.70 = 639,343.48 : x - Step 2: Convert to fraction form
1,148,652.04/1,585,139.70 = 639,343.48/x - Step 3: Cross multiply
1,148,652.04x = 1,585,139.70 × 639,343.48 - Step 4: Simplify right side
1,148,652.04x = 1,013,448,732,084.16 - Step 5: Solve for x
x = 1,013,448,732,084.16/1,148,652.04 - Step 6: Final answer
x = 882,293.94
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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.