Finding the Fourth Proportional to 1,249,863.36, 1,724,812.83 and 676,904.19
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Solution
The fourth proportional to 1,249,863.36, 1,724,812.83 and 676,904.19 is: 934,128.54
Step by Step Solution
- Step 1: Write the proportion equation
1,249,863.36 : 1,724,812.83 = 676,904.19 : x - Step 2: Convert to fraction form
1,249,863.36/1,724,812.83 = 676,904.19/x - Step 3: Cross multiply
1,249,863.36x = 1,724,812.83 × 676,904.19 - Step 4: Simplify right side
1,249,863.36x = 1,167,533,031,592.76 - Step 5: Solve for x
x = 1,167,533,031,592.76/1,249,863.36 - Step 6: Final answer
x = 934,128.54
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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.