Finding the Fourth Proportional to 1,249,316.50, 1,724,065.68 and 676,358.14
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Solution
The fourth proportional to 1,249,316.50, 1,724,065.68 and 676,358.14 is: 933,379.06
Step by Step Solution
- Step 1: Write the proportion equation
1,249,316.50 : 1,724,065.68 = 676,358.14 : x - Step 2: Convert to fraction form
1,249,316.50/1,724,065.68 = 676,358.14/x - Step 3: Cross multiply
1,249,316.50x = 1,724,065.68 × 676,358.14 - Step 4: Simplify right side
1,249,316.50x = 1,166,085,856,562.64 - Step 5: Solve for x
x = 1,166,085,856,562.64/1,249,316.50 - Step 6: Final answer
x = 933,379.06
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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.