Finding the Fourth Proportional to 1,011,362.79, 1,395,723.06 and 581,643.26
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Solution
The fourth proportional to 1,011,362.79, 1,395,723.06 and 581,643.26 is: 802,692.08
Step by Step Solution
- Step 1: Write the proportion equation
1,011,362.79 : 1,395,723.06 = 581,643.26 : x - Step 2: Convert to fraction form
1,011,362.79/1,395,723.06 = 581,643.26/x - Step 3: Cross multiply
1,011,362.79x = 1,395,723.06 × 581,643.26 - Step 4: Simplify right side
1,011,362.79x = 811,812,903,696.96 - Step 5: Solve for x
x = 811,812,903,696.96/1,011,362.79 - Step 6: Final answer
x = 802,692.08
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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.