Finding the Fourth Proportional to 1,128,191.68, 1,692,342.20 and 369,966.07
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Solution
The fourth proportional to 1,128,191.68, 1,692,342.20 and 369,966.07 is: 554,967.04
Step by Step Solution
- Step 1: Write the proportion equation
1,128,191.68 : 1,692,342.20 = 369,966.07 : x - Step 2: Convert to fraction form
1,128,191.68/1,692,342.20 = 369,966.07/x - Step 3: Cross multiply
1,128,191.68x = 1,692,342.20 × 369,966.07 - Step 4: Simplify right side
1,128,191.68x = 626,109,192,829.15 - Step 5: Solve for x
x = 626,109,192,829.15/1,128,191.68 - Step 6: Final answer
x = 554,967.04
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1.5x scale
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.