Finding the Fourth Proportional to 1,368,727.10, 1,888,855.62 and 756,921.02
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Solution
The fourth proportional to 1,368,727.10, 1,888,855.62 and 756,921.02 is: 1,044,557.76
Step by Step Solution
- Step 1: Write the proportion equation
1,368,727.10 : 1,888,855.62 = 756,921.02 : x - Step 2: Convert to fraction form
1,368,727.10/1,888,855.62 = 756,921.02/x - Step 3: Cross multiply
1,368,727.10x = 1,888,855.62 × 756,921.02 - Step 4: Simplify right side
1,368,727.10x = 1,429,714,513,078.85 - Step 5: Solve for x
x = 1,429,714,513,078.85/1,368,727.10 - Step 6: Final answer
x = 1,044,557.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.