Finding the Fourth Proportional to 1,403,485.95, 1,936,647.86 and 791,648.76
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Solution
The fourth proportional to 1,403,485.95, 1,936,647.86 and 791,648.76 is: 1,092,383.48
Step by Step Solution
- Step 1: Write the proportion equation
1,403,485.95 : 1,936,647.86 = 791,648.76 : x - Step 2: Convert to fraction form
1,403,485.95/1,936,647.86 = 791,648.76/x - Step 3: Cross multiply
1,403,485.95x = 1,936,647.86 × 791,648.76 - Step 4: Simplify right side
1,403,485.95x = 1,533,144,872,967.41 - Step 5: Solve for x
x = 1,533,144,872,967.41/1,403,485.95 - Step 6: Final answer
x = 1,092,383.48
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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.