Finding the Fourth Proportional to 1,312,360.02, 1,968,814.62 and 554,203.26
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Solution
The fourth proportional to 1,312,360.02, 1,968,814.62 and 554,203.26 is: 831,420.85
Step by Step Solution
- Step 1: Write the proportion equation
1,312,360.02 : 1,968,814.62 = 554,203.26 : x - Step 2: Convert to fraction form
1,312,360.02/1,968,814.62 = 554,203.26/x - Step 3: Cross multiply
1,312,360.02x = 1,968,814.62 × 554,203.26 - Step 4: Simplify right side
1,312,360.02x = 1,091,123,480,739.66 - Step 5: Solve for x
x = 1,091,123,480,739.66/1,312,360.02 - Step 6: Final answer
x = 831,420.85
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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.