Finding the Fourth Proportional to 1,107,332.24, 1,528,018.20 and 623,976.08
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Solution
The fourth proportional to 1,107,332.24, 1,528,018.20 and 623,976.08 is: 861,030.48
Step by Step Solution
- Step 1: Write the proportion equation
1,107,332.24 : 1,528,018.20 = 623,976.08 : x - Step 2: Convert to fraction form
1,107,332.24/1,528,018.20 = 623,976.08/x - Step 3: Cross multiply
1,107,332.24x = 1,528,018.20 × 623,976.08 - Step 4: Simplify right side
1,107,332.24x = 953,446,806,604.66 - Step 5: Solve for x
x = 953,446,806,604.66/1,107,332.24 - Step 6: Final answer
x = 861,030.48
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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.