Finding the Fourth Proportional to 1,285,029.08, 1,927,045.30 and 685,663.23
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Solution
The fourth proportional to 1,285,029.08, 1,927,045.30 and 685,663.23 is: 1,028,228.95
Step by Step Solution
- Step 1: Write the proportion equation
1,285,029.08 : 1,927,045.30 = 685,663.23 : x - Step 2: Convert to fraction form
1,285,029.08/1,927,045.30 = 685,663.23/x - Step 3: Cross multiply
1,285,029.08x = 1,927,045.30 × 685,663.23 - Step 4: Simplify right side
1,285,029.08x = 1,321,304,104,754.32 - Step 5: Solve for x
x = 1,321,304,104,754.32/1,285,029.08 - Step 6: Final answer
x = 1,028,228.95
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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.