Finding the Fourth Proportional to 1,130,972.52, 1,560,775.86 and 647,694.12
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Solution
The fourth proportional to 1,130,972.52, 1,560,775.86 and 647,694.12 is: 893,837.23
Step by Step Solution
- Step 1: Write the proportion equation
1,130,972.52 : 1,560,775.86 = 647,694.12 : x - Step 2: Convert to fraction form
1,130,972.52/1,560,775.86 = 647,694.12/x - Step 3: Cross multiply
1,130,972.52x = 1,560,775.86 × 647,694.12 - Step 4: Simplify right side
1,130,972.52x = 1,010,905,347,159.94 - Step 5: Solve for x
x = 1,010,905,347,159.94/1,130,972.52 - Step 6: Final answer
x = 893,837.23
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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.