Finding the Fourth Proportional to 1,402,417.63, 1,935,336.95 and 757,837.87
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Solution
The fourth proportional to 1,402,417.63, 1,935,336.95 and 757,837.87 is: 1,045,816.60
Step by Step Solution
- Step 1: Write the proportion equation
1,402,417.63 : 1,935,336.95 = 757,837.87 : x - Step 2: Convert to fraction form
1,402,417.63/1,935,336.95 = 757,837.87/x - Step 3: Cross multiply
1,402,417.63x = 1,935,336.95 × 757,837.87 - Step 4: Simplify right side
1,402,417.63x = 1,466,671,631,920.30 - Step 5: Solve for x
x = 1,466,671,631,920.30/1,402,417.63 - Step 6: Final answer
x = 1,045,816.60
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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.