Finding the Fourth Proportional to 1,127,219.36, 1,690,468.18 and 368,855.24
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Solution
The fourth proportional to 1,127,219.36, 1,690,468.18 and 368,855.24 is: 553,164.77
Step by Step Solution
- Step 1: Write the proportion equation
1,127,219.36 : 1,690,468.18 = 368,855.24 : x - Step 2: Convert to fraction form
1,127,219.36/1,690,468.18 = 368,855.24/x - Step 3: Cross multiply
1,127,219.36x = 1,690,468.18 × 368,855.24 - Step 4: Simplify right side
1,127,219.36x = 623,538,036,871.78 - Step 5: Solve for x
x = 623,538,036,871.78/1,127,219.36 - Step 6: Final answer
x = 553,164.77
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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.