Finding the Fourth Proportional to 1,085,655.12, 1,498,228.08 and 602,204.52
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Solution
The fourth proportional to 1,085,655.12, 1,498,228.08 and 602,204.52 is: 831,055.56
Step by Step Solution
- Step 1: Write the proportion equation
1,085,655.12 : 1,498,228.08 = 602,204.52 : x - Step 2: Convert to fraction form
1,085,655.12/1,498,228.08 = 602,204.52/x - Step 3: Cross multiply
1,085,655.12x = 1,498,228.08 × 602,204.52 - Step 4: Simplify right side
1,085,655.12x = 902,239,721,766.92 - Step 5: Solve for x
x = 902,239,721,766.92/1,085,655.12 - Step 6: Final answer
x = 831,055.56
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1.5x scale
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.