Finding the Fourth Proportional to 1,397,525.99, 1,928,574.28 and 785,681.48
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Solution
The fourth proportional to 1,397,525.99, 1,928,574.28 and 785,681.48 is: 1,084,233.93
Step by Step Solution
- Step 1: Write the proportion equation
1,397,525.99 : 1,928,574.28 = 785,681.48 : x - Step 2: Convert to fraction form
1,397,525.99/1,928,574.28 = 785,681.48/x - Step 3: Cross multiply
1,397,525.99x = 1,928,574.28 × 785,681.48 - Step 4: Simplify right side
1,397,525.99x = 1,515,245,097,457.57 - Step 5: Solve for x
x = 1,515,245,097,457.57/1,397,525.99 - Step 6: Final answer
x = 1,084,233.93
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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.