Finding the Fourth Proportional to 1,249,878.24, 1,724,831.46 and 676,918.44
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Solution
The fourth proportional to 1,249,878.24, 1,724,831.46 and 676,918.44 is: 934,147.17
Step by Step Solution
- Step 1: Write the proportion equation
1,249,878.24 : 1,724,831.46 = 676,918.44 : x - Step 2: Convert to fraction form
1,249,878.24/1,724,831.46 = 676,918.44/x - Step 3: Cross multiply
1,249,878.24x = 1,724,831.46 × 676,918.44 - Step 4: Simplify right side
1,249,878.24x = 1,167,570,221,166.12 - Step 5: Solve for x
x = 1,167,570,221,166.12/1,249,878.24 - Step 6: Final answer
x = 934,147.17
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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.