Finding the Fourth Proportional to 1,009,390.19, 1,512,478.85 and 706,358.09
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Solution
The fourth proportional to 1,009,390.19, 1,512,478.85 and 706,358.09 is: 1,058,412.98
Step by Step Solution
- Step 1: Write the proportion equation
1,009,390.19 : 1,512,478.85 = 706,358.09 : x - Step 2: Convert to fraction form
1,009,390.19/1,512,478.85 = 706,358.09/x - Step 3: Cross multiply
1,009,390.19x = 1,512,478.85 × 706,358.09 - Step 4: Simplify right side
1,009,390.19x = 1,068,351,671,900.80 - Step 5: Solve for x
x = 1,068,351,671,900.80/1,009,390.19 - Step 6: Final answer
x = 1,058,412.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.