Finding the Fourth Proportional to 1,122,212.88, 1,547,628.12 and 877,230
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Solution
The fourth proportional to 1,122,212.88, 1,547,628.12 and 877,230 is: 1,209,775.65
Step by Step Solution
- Step 1: Write the proportion equation
1,122,212.88 : 1,547,628.12 = 877,230 : x - Step 2: Convert to fraction form
1,122,212.88/1,547,628.12 = 877,230/x - Step 3: Cross multiply
1,122,212.88x = 1,547,628.12 × 877,230 - Step 4: Simplify right side
1,122,212.88x = 1,357,625,815,707.60 - Step 5: Solve for x
x = 1,357,625,815,707.60/1,122,212.88 - Step 6: Final answer
x = 1,209,775.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.