Finding the Fourth Proportional to 1,178,831.02, 1,768,239.24 and 337,385.20
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Solution
The fourth proportional to 1,178,831.02, 1,768,239.24 and 337,385.20 is: 506,075.71
Step by Step Solution
- Step 1: Write the proportion equation
1,178,831.02 : 1,768,239.24 = 337,385.20 : x - Step 2: Convert to fraction form
1,178,831.02/1,768,239.24 = 337,385.20/x - Step 3: Cross multiply
1,178,831.02x = 1,768,239.24 × 337,385.20 - Step 4: Simplify right side
1,178,831.02x = 596,577,749,635.25 - Step 5: Solve for x
x = 596,577,749,635.25/1,178,831.02 - Step 6: Final answer
x = 506,075.71
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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.