Finding the Fourth Proportional to 1,065,643.05, 1,598,427.72 and 266,931.48
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Solution
The fourth proportional to 1,065,643.05, 1,598,427.72 and 266,931.48 is: 400,387.99
Step by Step Solution
- Step 1: Write the proportion equation
1,065,643.05 : 1,598,427.72 = 266,931.48 : x - Step 2: Convert to fraction form
1,065,643.05/1,598,427.72 = 266,931.48/x - Step 3: Cross multiply
1,065,643.05x = 1,598,427.72 × 266,931.48 - Step 4: Simplify right side
1,065,643.05x = 426,670,676,972.63 - Step 5: Solve for x
x = 426,670,676,972.63/1,065,643.05 - Step 6: Final answer
x = 400,387.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.