Finding the Fourth Proportional to 1,013,113.04, 1,397,486.76 and 668,952.08
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Solution
The fourth proportional to 1,013,113.04, 1,397,486.76 and 668,952.08 is: 922,751.60
Step by Step Solution
- Step 1: Write the proportion equation
1,013,113.04 : 1,397,486.76 = 668,952.08 : x - Step 2: Convert to fraction form
1,013,113.04/1,397,486.76 = 668,952.08/x - Step 3: Cross multiply
1,013,113.04x = 1,397,486.76 × 668,952.08 - Step 4: Simplify right side
1,013,113.04x = 934,851,674,874.46 - Step 5: Solve for x
x = 934,851,674,874.46/1,013,113.04 - Step 6: Final answer
x = 922,751.60
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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.