Finding the Fourth Proportional to 1,368,513.09, 1,888,133.28 and 955,038.87
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Solution
The fourth proportional to 1,368,513.09, 1,888,133.28 and 955,038.87 is: 1,317,664.18
Step by Step Solution
- Step 1: Write the proportion equation
1,368,513.09 : 1,888,133.28 = 955,038.87 : x - Step 2: Convert to fraction form
1,368,513.09/1,888,133.28 = 955,038.87/x - Step 3: Cross multiply
1,368,513.09x = 1,888,133.28 × 955,038.87 - Step 4: Simplify right side
1,368,513.09x = 1,803,240,674,140.59 - Step 5: Solve for x
x = 1,803,240,674,140.59/1,368,513.09 - Step 6: Final answer
x = 1,317,664.18
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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.