Finding the Fourth Proportional to 1,130,553.93, 1,560,299.16 and 647,274.31
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Solution
The fourth proportional to 1,130,553.93, 1,560,299.16 and 647,274.31 is: 893,315.69
Step by Step Solution
- Step 1: Write the proportion equation
1,130,553.93 : 1,560,299.16 = 647,274.31 : x - Step 2: Convert to fraction form
1,130,553.93/1,560,299.16 = 647,274.31/x - Step 3: Cross multiply
1,130,553.93x = 1,560,299.16 × 647,274.31 - Step 4: Simplify right side
1,130,553.93x = 1,009,941,562,182.58 - Step 5: Solve for x
x = 1,009,941,562,182.58/1,130,553.93 - Step 6: Final answer
x = 893,315.69
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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.