Finding the Fourth Proportional to 1,135,088.19, 1,698,914.05 and 621,970.84
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Solution
The fourth proportional to 1,135,088.19, 1,698,914.05 and 621,970.84 is: 930,918.85
Step by Step Solution
- Step 1: Write the proportion equation
1,135,088.19 : 1,698,914.05 = 621,970.84 : x - Step 2: Convert to fraction form
1,135,088.19/1,698,914.05 = 621,970.84/x - Step 3: Cross multiply
1,135,088.19x = 1,698,914.05 × 621,970.84 - Step 4: Simplify right side
1,135,088.19x = 1,056,674,992,964.09 - Step 5: Solve for x
x = 1,056,674,992,964.09/1,135,088.19 - Step 6: Final answer
x = 930,918.85
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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.