Finding the Fourth Proportional to 1,232,335.83, 1,700,703.26 and 688,474.55
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Solution
The fourth proportional to 1,232,335.83, 1,700,703.26 and 688,474.55 is: 950,139.46
Step by Step Solution
- Step 1: Write the proportion equation
1,232,335.83 : 1,700,703.26 = 688,474.55 : x - Step 2: Convert to fraction form
1,232,335.83/1,700,703.26 = 688,474.55/x - Step 3: Cross multiply
1,232,335.83x = 1,700,703.26 × 688,474.55 - Step 4: Simplify right side
1,232,335.83x = 1,170,890,899,666.14 - Step 5: Solve for x
x = 1,170,890,899,666.14/1,232,335.83 - Step 6: Final answer
x = 950,139.46
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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.