Finding the Fourth Proportional to 1,285,830.05, 1,774,465.88 and 705,106.02
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Solution
The fourth proportional to 1,285,830.05, 1,774,465.88 and 705,106.02 is: 973,057.50
Step by Step Solution
- Step 1: Write the proportion equation
1,285,830.05 : 1,774,465.88 = 705,106.02 : x - Step 2: Convert to fraction form
1,285,830.05/1,774,465.88 = 705,106.02/x - Step 3: Cross multiply
1,285,830.05x = 1,774,465.88 × 705,106.02 - Step 4: Simplify right side
1,285,830.05x = 1,251,186,570,747.07 - Step 5: Solve for x
x = 1,251,186,570,747.07/1,285,830.05 - Step 6: Final answer
x = 973,057.50
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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.