Finding the Fourth Proportional to 1,356,639.24, 2,032,298.64 and 786,823.68
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Solution
The fourth proportional to 1,356,639.24, 2,032,298.64 and 786,823.68 is: 1,178,692.65
Step by Step Solution
- Step 1: Write the proportion equation
1,356,639.24 : 2,032,298.64 = 786,823.68 : x - Step 2: Convert to fraction form
1,356,639.24/2,032,298.64 = 786,823.68/x - Step 3: Cross multiply
1,356,639.24x = 2,032,298.64 × 786,823.68 - Step 4: Simplify right side
1,356,639.24x = 1,599,060,694,783.80 - Step 5: Solve for x
x = 1,599,060,694,783.80/1,356,639.24 - Step 6: Final answer
x = 1,178,692.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.