Finding the Fourth Proportional to 1,283,689.69, 1,771,518.80 and 702,937.31
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Solution
The fourth proportional to 1,283,689.69, 1,771,518.80 and 702,937.31 is: 970,068.28
Step by Step Solution
- Step 1: Write the proportion equation
1,283,689.69 : 1,771,518.80 = 702,937.31 : x - Step 2: Convert to fraction form
1,283,689.69/1,771,518.80 = 702,937.31/x - Step 3: Cross multiply
1,283,689.69x = 1,771,518.80 × 702,937.31 - Step 4: Simplify right side
1,283,689.69x = 1,245,266,652,786.18 - Step 5: Solve for x
x = 1,245,266,652,786.18/1,283,689.69 - Step 6: Final answer
x = 970,068.28
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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.