Finding the Fourth Proportional to 1,430,069.26, 1,973,509.83 and 776,708.04
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Solution
The fourth proportional to 1,430,069.26, 1,973,509.83 and 776,708.04 is: 1,071,864.84
Step by Step Solution
- Step 1: Write the proportion equation
1,430,069.26 : 1,973,509.83 = 776,708.04 : x - Step 2: Convert to fraction form
1,430,069.26/1,973,509.83 = 776,708.04/x - Step 3: Cross multiply
1,430,069.26x = 1,973,509.83 × 776,708.04 - Step 4: Simplify right side
1,430,069.26x = 1,532,840,951,980.03 - Step 5: Solve for x
x = 1,532,840,951,980.03/1,430,069.26 - Step 6: Final answer
x = 1,071,864.84
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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.