Finding the Fourth Proportional to 1,334,778.24, 1,842,088.41 and 761,904.48
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Solution
The fourth proportional to 1,334,778.24, 1,842,088.41 and 761,904.48 is: 1,051,482.09
Step by Step Solution
- Step 1: Write the proportion equation
1,334,778.24 : 1,842,088.41 = 761,904.48 : x - Step 2: Convert to fraction form
1,334,778.24/1,842,088.41 = 761,904.48/x - Step 3: Cross multiply
1,334,778.24x = 1,842,088.41 × 761,904.48 - Step 4: Simplify right side
1,334,778.24x = 1,403,495,412,135.08 - Step 5: Solve for x
x = 1,403,495,412,135.08/1,334,778.24 - Step 6: Final answer
x = 1,051,482.09
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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.