Finding the Fourth Proportional to 1,190,533.80, 1,785,800.70 and 402,565.80
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Solution
The fourth proportional to 1,190,533.80, 1,785,800.70 and 402,565.80 is: 603,848.70
Step by Step Solution
- Step 1: Write the proportion equation
1,190,533.80 : 1,785,800.70 = 402,565.80 : x - Step 2: Convert to fraction form
1,190,533.80/1,785,800.70 = 402,565.80/x - Step 3: Cross multiply
1,190,533.80x = 1,785,800.70 × 402,565.80 - Step 4: Simplify right side
1,190,533.80x = 718,902,287,436.06 - Step 5: Solve for x
x = 718,902,287,436.06/1,190,533.80 - Step 6: Final answer
x = 603,848.70
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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.