Finding the Fourth Proportional to 1,237,395.08, 1,854,831.49 and 1,128,307.79
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Solution
The fourth proportional to 1,237,395.08, 1,854,831.49 and 1,128,307.79 is: 1,691,311.73
Step by Step Solution
- Step 1: Write the proportion equation
1,237,395.08 : 1,854,831.49 = 1,128,307.79 : x - Step 2: Convert to fraction form
1,237,395.08/1,854,831.49 = 1,128,307.79/x - Step 3: Cross multiply
1,237,395.08x = 1,854,831.49 × 1,128,307.79 - Step 4: Simplify right side
1,237,395.08x = 2,092,820,821,120.62 - Step 5: Solve for x
x = 2,092,820,821,120.62/1,237,395.08 - Step 6: Final answer
x = 1,691,311.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.