Finding the Fourth Proportional to 1,197,698.41, 1,787,381.45 and 1,069,903.48
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Solution
The fourth proportional to 1,197,698.41, 1,787,381.45 and 1,069,903.48 is: 1,596,667.09
Step by Step Solution
- Step 1: Write the proportion equation
1,197,698.41 : 1,787,381.45 = 1,069,903.48 : x - Step 2: Convert to fraction form
1,197,698.41/1,787,381.45 = 1,069,903.48/x - Step 3: Cross multiply
1,197,698.41x = 1,787,381.45 × 1,069,903.48 - Step 4: Simplify right side
1,197,698.41x = 1,912,325,633,442.45 - Step 5: Solve for x
x = 1,912,325,633,442.45/1,197,698.41 - Step 6: Final answer
x = 1,596,667.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.