Finding the Fourth Proportional to 1,069,192.99, 1,475,485.81 and 639,473.11
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Solution
The fourth proportional to 1,069,192.99, 1,475,485.81 and 639,473.11 is: 882,472.58
Step by Step Solution
- Step 1: Write the proportion equation
1,069,192.99 : 1,475,485.81 = 639,473.11 : x - Step 2: Convert to fraction form
1,069,192.99/1,475,485.81 = 639,473.11/x - Step 3: Cross multiply
1,069,192.99x = 1,475,485.81 × 639,473.11 - Step 4: Simplify right side
1,069,192.99x = 943,533,499,681.57 - Step 5: Solve for x
x = 943,533,499,681.57/1,069,192.99 - Step 6: Final answer
x = 882,472.58
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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.