Finding the Fourth Proportional to 1,317,637.68, 1,818,342.36 and 714,025.68
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Solution
The fourth proportional to 1,317,637.68, 1,818,342.36 and 714,025.68 is: 985,356.72
Step by Step Solution
- Step 1: Write the proportion equation
1,317,637.68 : 1,818,342.36 = 714,025.68 : x - Step 2: Convert to fraction form
1,317,637.68/1,818,342.36 = 714,025.68/x - Step 3: Cross multiply
1,317,637.68x = 1,818,342.36 × 714,025.68 - Step 4: Simplify right side
1,317,637.68x = 1,298,343,140,071.81 - Step 5: Solve for x
x = 1,298,343,140,071.81/1,317,637.68 - Step 6: Final answer
x = 985,356.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.