Finding the Fourth Proportional to 1,182,130.64, 1,631,248.08 and 698,603.84
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Solution
The fourth proportional to 1,182,130.64, 1,631,248.08 and 698,603.84 is: 964,018.81
Step by Step Solution
- Step 1: Write the proportion equation
1,182,130.64 : 1,631,248.08 = 698,603.84 : x - Step 2: Convert to fraction form
1,182,130.64/1,631,248.08 = 698,603.84/x - Step 3: Cross multiply
1,182,130.64x = 1,631,248.08 × 698,603.84 - Step 4: Simplify right side
1,182,130.64x = 1,139,596,172,680.63 - Step 5: Solve for x
x = 1,139,596,172,680.63/1,182,130.64 - Step 6: Final answer
x = 964,018.81
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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.