Finding the Fourth Proportional to 1,132,203.16, 1,698,582.18 and 930,140.92
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Solution
The fourth proportional to 1,132,203.16, 1,698,582.18 and 930,140.92 is: 1,395,439.31
Step by Step Solution
- Step 1: Write the proportion equation
1,132,203.16 : 1,698,582.18 = 930,140.92 : x - Step 2: Convert to fraction form
1,132,203.16/1,698,582.18 = 930,140.92/x - Step 3: Cross multiply
1,132,203.16x = 1,698,582.18 × 930,140.92 - Step 4: Simplify right side
1,132,203.16x = 1,579,920,791,600.81 - Step 5: Solve for x
x = 1,579,920,791,600.81/1,132,203.16 - Step 6: Final answer
x = 1,395,439.31
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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.