Finding the Fourth Proportional to 1,298,295.06, 1,791,683.73 and 725,398.26
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Solution
The fourth proportional to 1,298,295.06, 1,791,683.73 and 725,398.26 is: 1,001,070.02
Step by Step Solution
- Step 1: Write the proportion equation
1,298,295.06 : 1,791,683.73 = 725,398.26 : x - Step 2: Convert to fraction form
1,298,295.06/1,791,683.73 = 725,398.26/x - Step 3: Cross multiply
1,298,295.06x = 1,791,683.73 × 725,398.26 - Step 4: Simplify right side
1,298,295.06x = 1,299,684,260,212.31 - Step 5: Solve for x
x = 1,299,684,260,212.31/1,298,295.06 - Step 6: Final answer
x = 1,001,070.02
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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.