Finding the Fourth Proportional to 1,121,602.42, 1,547,803.46 and 612,304.79
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Solution
The fourth proportional to 1,121,602.42, 1,547,803.46 and 612,304.79 is: 844,976.31
Step by Step Solution
- Step 1: Write the proportion equation
1,121,602.42 : 1,547,803.46 = 612,304.79 : x - Step 2: Convert to fraction form
1,121,602.42/1,547,803.46 = 612,304.79/x - Step 3: Cross multiply
1,121,602.42x = 1,547,803.46 × 612,304.79 - Step 4: Simplify right side
1,121,602.42x = 947,727,472,536.57 - Step 5: Solve for x
x = 947,727,472,536.57/1,121,602.42 - Step 6: Final answer
x = 844,976.31
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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.