Finding the Fourth Proportional to 1,294,669.37, 1,786,854.18 and 778,944.53
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Solution
The fourth proportional to 1,294,669.37, 1,786,854.18 and 778,944.53 is: 1,075,070.07
Step by Step Solution
- Step 1: Write the proportion equation
1,294,669.37 : 1,786,854.18 = 778,944.53 : x - Step 2: Convert to fraction form
1,294,669.37/1,786,854.18 = 778,944.53/x - Step 3: Cross multiply
1,294,669.37x = 1,786,854.18 × 778,944.53 - Step 4: Simplify right side
1,294,669.37x = 1,391,860,280,484.36 - Step 5: Solve for x
x = 1,391,860,280,484.36/1,294,669.37 - Step 6: Final answer
x = 1,075,070.07
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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.