Finding the Fourth Proportional to 1,180,026.78, 1,768,365.93 and 909,130.14
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Solution
The fourth proportional to 1,180,026.78, 1,768,365.93 and 909,130.14 is: 1,362,405.32
Step by Step Solution
- Step 1: Write the proportion equation
1,180,026.78 : 1,768,365.93 = 909,130.14 : x - Step 2: Convert to fraction form
1,180,026.78/1,768,365.93 = 909,130.14/x - Step 3: Cross multiply
1,180,026.78x = 1,768,365.93 × 909,130.14 - Step 4: Simplify right side
1,180,026.78x = 1,607,674,765,512.13 - Step 5: Solve for x
x = 1,607,674,765,512.13/1,180,026.78 - Step 6: Final answer
x = 1,362,405.32
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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.