Finding the Fourth Proportional to 1,140,934.24, 1,574,478.48 and 657,321.76
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Solution
The fourth proportional to 1,140,934.24, 1,574,478.48 and 657,321.76 is: 907,097.82
Step by Step Solution
- Step 1: Write the proportion equation
1,140,934.24 : 1,574,478.48 = 657,321.76 : x - Step 2: Convert to fraction form
1,140,934.24/1,574,478.48 = 657,321.76/x - Step 3: Cross multiply
1,140,934.24x = 1,574,478.48 × 657,321.76 - Step 4: Simplify right side
1,140,934.24x = 1,034,938,965,555.72 - Step 5: Solve for x
x = 1,034,938,965,555.72/1,140,934.24 - Step 6: Final answer
x = 907,097.82
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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.