Finding the Fourth Proportional to 1,088,783.66, 1,502,501.99 and 605,338.40
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Solution
The fourth proportional to 1,088,783.66, 1,502,501.99 and 605,338.40 is: 835,356.17
Step by Step Solution
- Step 1: Write the proportion equation
1,088,783.66 : 1,502,501.99 = 605,338.40 : x - Step 2: Convert to fraction form
1,088,783.66/1,502,501.99 = 605,338.40/x - Step 3: Cross multiply
1,088,783.66x = 1,502,501.99 × 605,338.40 - Step 4: Simplify right side
1,088,783.66x = 909,522,140,084.21 - Step 5: Solve for x
x = 909,522,140,084.21/1,088,783.66 - Step 6: Final answer
x = 835,356.17
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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.