Finding the Fourth Proportional to 1,207,404.72, 1,666,121.04 and 698,140.08
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Solution
The fourth proportional to 1,207,404.72, 1,666,121.04 and 698,140.08 is: 963,376.95
Step by Step Solution
- Step 1: Write the proportion equation
1,207,404.72 : 1,666,121.04 = 698,140.08 : x - Step 2: Convert to fraction form
1,207,404.72/1,666,121.04 = 698,140.08/x - Step 3: Cross multiply
1,207,404.72x = 1,666,121.04 × 698,140.08 - Step 4: Simplify right side
1,207,404.72x = 1,163,185,876,155.28 - Step 5: Solve for x
x = 1,163,185,876,155.28/1,207,404.72 - Step 6: Final answer
x = 963,376.95
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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.