Finding the Fourth Proportional to 1,119,303.36, 1,543,924.80 and 915,649.92
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Solution
The fourth proportional to 1,119,303.36, 1,543,924.80 and 915,649.92 is: 1,263,012.93
Step by Step Solution
- Step 1: Write the proportion equation
1,119,303.36 : 1,543,924.80 = 915,649.92 : x - Step 2: Convert to fraction form
1,119,303.36/1,543,924.80 = 915,649.92/x - Step 3: Cross multiply
1,119,303.36x = 1,543,924.80 × 915,649.92 - Step 4: Simplify right side
1,119,303.36x = 1,413,694,619,606.02 - Step 5: Solve for x
x = 1,413,694,619,606.02/1,119,303.36 - Step 6: Final answer
x = 1,263,012.93
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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.