Finding the Fourth Proportional to 1,769,970.40, 2,655,611.70 and 705,776.20
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Solution
The fourth proportional to 1,769,970.40, 2,655,611.70 and 705,776.20 is: 1,058,925.92
Step by Step Solution
- Step 1: Write the proportion equation
1,769,970.40 : 2,655,611.70 = 705,776.20 : x - Step 2: Convert to fraction form
1,769,970.40/2,655,611.70 = 705,776.20/x - Step 3: Cross multiply
1,769,970.40x = 2,655,611.70 × 705,776.20 - Step 4: Simplify right side
1,769,970.40x = 1,874,267,534,301.54 - Step 5: Solve for x
x = 1,874,267,534,301.54/1,769,970.40 - Step 6: Final answer
x = 1,058,925.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.