Finding the Fourth Proportional to 1,271,470.67, 1,754,630.12 and 698,547.74
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Solution
The fourth proportional to 1,271,470.67, 1,754,630.12 and 698,547.74 is: 963,996.21
Step by Step Solution
- Step 1: Write the proportion equation
1,271,470.67 : 1,754,630.12 = 698,547.74 : x - Step 2: Convert to fraction form
1,271,470.67/1,754,630.12 = 698,547.74/x - Step 3: Cross multiply
1,271,470.67x = 1,754,630.12 × 698,547.74 - Step 4: Simplify right side
1,271,470.67x = 1,225,692,901,369.19 - Step 5: Solve for x
x = 1,225,692,901,369.19/1,271,470.67 - Step 6: Final answer
x = 963,996.21
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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.