Finding the Fourth Proportional to 1,285,437.98, 1,928,409.18 and 475,829.48
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Solution
The fourth proportional to 1,285,437.98, 1,928,409.18 and 475,829.48 is: 713,837.58
Step by Step Solution
- Step 1: Write the proportion equation
1,285,437.98 : 1,928,409.18 = 475,829.48 : x - Step 2: Convert to fraction form
1,285,437.98/1,928,409.18 = 475,829.48/x - Step 3: Cross multiply
1,285,437.98x = 1,928,409.18 × 475,829.48 - Step 4: Simplify right side
1,285,437.98x = 917,593,937,346.63 - Step 5: Solve for x
x = 917,593,937,346.63/1,285,437.98 - Step 6: Final answer
x = 713,837.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.