Finding the Fourth Proportional to 1,097,489.98, 1,513,873.14 and 724,955.18
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Solution
The fourth proportional to 1,097,489.98, 1,513,873.14 and 724,955.18 is: 1,000,000.18
Step by Step Solution
- Step 1: Write the proportion equation
1,097,489.98 : 1,513,873.14 = 724,955.18 : x - Step 2: Convert to fraction form
1,097,489.98/1,513,873.14 = 724,955.18/x - Step 3: Cross multiply
1,097,489.98x = 1,513,873.14 × 724,955.18 - Step 4: Simplify right side
1,097,489.98x = 1,097,490,174,705.87 - Step 5: Solve for x
x = 1,097,490,174,705.87/1,097,489.98 - Step 6: Final answer
x = 1,000,000.18
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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.