Finding the Fourth Proportional to 1,232,125.79, 1,700,326.32 and 688,259.93
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Solution
The fourth proportional to 1,232,125.79, 1,700,326.32 and 688,259.93 is: 949,794.64
Step by Step Solution
- Step 1: Write the proportion equation
1,232,125.79 : 1,700,326.32 = 688,259.93 : x - Step 2: Convert to fraction form
1,232,125.79/1,700,326.32 = 688,259.93/x - Step 3: Cross multiply
1,232,125.79x = 1,700,326.32 × 688,259.93 - Step 4: Simplify right side
1,232,125.79x = 1,170,266,465,478.73 - Step 5: Solve for x
x = 1,170,266,465,478.73/1,232,125.79 - Step 6: Final answer
x = 949,794.64
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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.