Finding the Fourth Proportional to 1,363,239.35, 1,881,159.69 and 790,316.43
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Solution
The fourth proportional to 1,363,239.35, 1,881,159.69 and 790,316.43 is: 1,090,572.55
Step by Step Solution
- Step 1: Write the proportion equation
1,363,239.35 : 1,881,159.69 = 790,316.43 : x - Step 2: Convert to fraction form
1,363,239.35/1,881,159.69 = 790,316.43/x - Step 3: Cross multiply
1,363,239.35x = 1,881,159.69 × 790,316.43 - Step 4: Simplify right side
1,363,239.35x = 1,486,711,406,370.04 - Step 5: Solve for x
x = 1,486,711,406,370.04/1,363,239.35 - Step 6: Final answer
x = 1,090,572.55
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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.