Finding the Fourth Proportional to 1,079,332.80, 1,617,616.80 and 828,772.80
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Solution
The fourth proportional to 1,079,332.80, 1,617,616.80 and 828,772.80 is: 1,242,097.72
Step by Step Solution
- Step 1: Write the proportion equation
1,079,332.80 : 1,617,616.80 = 828,772.80 : x - Step 2: Convert to fraction form
1,079,332.80/1,617,616.80 = 828,772.80/x - Step 3: Cross multiply
1,079,332.80x = 1,617,616.80 × 828,772.80 - Step 4: Simplify right side
1,079,332.80x = 1,340,636,804,663.04 - Step 5: Solve for x
x = 1,340,636,804,663.04/1,079,332.80 - Step 6: Final answer
x = 1,242,097.72
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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.