Finding the Fourth Proportional to 1,178,395.37, 1,768,368.19 and 646,290.07
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Solution
The fourth proportional to 1,178,395.37, 1,768,368.19 and 646,290.07 is: 969,860.23
Step by Step Solution
- Step 1: Write the proportion equation
1,178,395.37 : 1,768,368.19 = 646,290.07 : x - Step 2: Convert to fraction form
1,178,395.37/1,768,368.19 = 646,290.07/x - Step 3: Cross multiply
1,178,395.37x = 1,768,368.19 × 646,290.07 - Step 4: Simplify right side
1,178,395.37x = 1,142,878,795,264.23 - Step 5: Solve for x
x = 1,142,878,795,264.23/1,178,395.37 - Step 6: Final answer
x = 969,860.23
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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.