Finding the Fourth Proportional to 1,432,248.08, 1,976,509.50 and 787,709.48
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Solution
The fourth proportional to 1,432,248.08, 1,976,509.50 and 787,709.48 is: 1,087,043.01
Step by Step Solution
- Step 1: Write the proportion equation
1,432,248.08 : 1,976,509.50 = 787,709.48 : x - Step 2: Convert to fraction form
1,432,248.08/1,976,509.50 = 787,709.48/x - Step 3: Cross multiply
1,432,248.08x = 1,976,509.50 × 787,709.48 - Step 4: Simplify right side
1,432,248.08x = 1,556,915,270,460.06 - Step 5: Solve for x
x = 1,556,915,270,460.06/1,432,248.08 - Step 6: Final answer
x = 1,087,043.01
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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.