Finding the Fourth Proportional to 1,036,637.60, 1,430,676.08 and 577,794.07
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Solution
The fourth proportional to 1,036,637.60, 1,430,676.08 and 577,794.07 is: 797,420.58
Step by Step Solution
- Step 1: Write the proportion equation
1,036,637.60 : 1,430,676.08 = 577,794.07 : x - Step 2: Convert to fraction form
1,036,637.60/1,430,676.08 = 577,794.07/x - Step 3: Cross multiply
1,036,637.60x = 1,430,676.08 × 577,794.07 - Step 4: Simplify right side
1,036,637.60x = 826,636,155,114.85 - Step 5: Solve for x
x = 826,636,155,114.85/1,036,637.60 - Step 6: Final answer
x = 797,420.58
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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.