Finding the Fourth Proportional to 1,130,975.63, 1,560,746.37 and 647,700.68
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Solution
The fourth proportional to 1,130,975.63, 1,560,746.37 and 647,700.68 is: 893,826.94
Step by Step Solution
- Step 1: Write the proportion equation
1,130,975.63 : 1,560,746.37 = 647,700.68 : x - Step 2: Convert to fraction form
1,130,975.63/1,560,746.37 = 647,700.68/x - Step 3: Cross multiply
1,130,975.63x = 1,560,746.37 × 647,700.68 - Step 4: Simplify right side
1,130,975.63x = 1,010,896,477,352.80 - Step 5: Solve for x
x = 1,010,896,477,352.80/1,130,975.63 - Step 6: Final answer
x = 893,826.94
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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.