Finding the Fourth Proportional to 1,011,135.84, 1,516,282.92 and 411,690.48
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Solution
The fourth proportional to 1,011,135.84, 1,516,282.92 and 411,690.48 is: 617,364.37
Step by Step Solution
- Step 1: Write the proportion equation
1,011,135.84 : 1,516,282.92 = 411,690.48 : x - Step 2: Convert to fraction form
1,011,135.84/1,516,282.92 = 411,690.48/x - Step 3: Cross multiply
1,011,135.84x = 1,516,282.92 × 411,690.48 - Step 4: Simplify right side
1,011,135.84x = 624,239,243,150.60 - Step 5: Solve for x
x = 624,239,243,150.60/1,011,135.84 - Step 6: Final answer
x = 617,364.37
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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.