Finding the Fourth Proportional to 1,232,477.34, 1,700,649.45 and 688,545.06
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Solution
The fourth proportional to 1,232,477.34, 1,700,649.45 and 688,545.06 is: 950,097.61
Step by Step Solution
- Step 1: Write the proportion equation
1,232,477.34 : 1,700,649.45 = 688,545.06 : x - Step 2: Convert to fraction form
1,232,477.34/1,700,649.45 = 688,545.06/x - Step 3: Cross multiply
1,232,477.34x = 1,700,649.45 × 688,545.06 - Step 4: Simplify right side
1,232,477.34x = 1,170,973,777,589.22 - Step 5: Solve for x
x = 1,170,973,777,589.22/1,232,477.34 - Step 6: Final answer
x = 950,097.61
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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.