Finding the Fourth Proportional to 1,017,681.08, 1,533,836.56 and 877,221.62
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Solution
The fourth proportional to 1,017,681.08, 1,533,836.56 and 877,221.62 is: 1,322,137.76
Step by Step Solution
- Step 1: Write the proportion equation
1,017,681.08 : 1,533,836.56 = 877,221.62 : x - Step 2: Convert to fraction form
1,017,681.08/1,533,836.56 = 877,221.62/x - Step 3: Cross multiply
1,017,681.08x = 1,533,836.56 × 877,221.62 - Step 4: Simplify right side
1,017,681.08x = 1,345,514,579,923.14 - Step 5: Solve for x
x = 1,345,514,579,923.14/1,017,681.08 - Step 6: Final answer
x = 1,322,137.76
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.