Finding the Fourth Proportional to 1,185,858.63, 1,636,473.24 and 641,980.08
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Solution
The fourth proportional to 1,185,858.63, 1,636,473.24 and 641,980.08 is: 885,926.19
Step by Step Solution
- Step 1: Write the proportion equation
1,185,858.63 : 1,636,473.24 = 641,980.08 : x - Step 2: Convert to fraction form
1,185,858.63/1,636,473.24 = 641,980.08/x - Step 3: Cross multiply
1,185,858.63x = 1,636,473.24 × 641,980.08 - Step 4: Simplify right side
1,185,858.63x = 1,050,583,221,533.06 - Step 5: Solve for x
x = 1,050,583,221,533.06/1,185,858.63 - Step 6: Final answer
x = 885,926.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.