Finding the Fourth Proportional to 1,249,972.29, 1,724,953.73 and 706,284.09
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Solution
The fourth proportional to 1,249,972.29, 1,724,953.73 and 706,284.09 is: 974,667.50
Step by Step Solution
- Step 1: Write the proportion equation
1,249,972.29 : 1,724,953.73 = 706,284.09 : x - Step 2: Convert to fraction form
1,249,972.29/1,724,953.73 = 706,284.09/x - Step 3: Cross multiply
1,249,972.29x = 1,724,953.73 × 706,284.09 - Step 4: Simplify right side
1,249,972.29x = 1,218,307,371,953.74 - Step 5: Solve for x
x = 1,218,307,371,953.74/1,249,972.29 - Step 6: Final answer
x = 974,667.50
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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.