Finding the Fourth Proportional to 1,045,139.14, 1,442,313.71 and 592,430.14
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Solution
The fourth proportional to 1,045,139.14, 1,442,313.71 and 592,430.14 is: 817,565.89
Step by Step Solution
- Step 1: Write the proportion equation
1,045,139.14 : 1,442,313.71 = 592,430.14 : x - Step 2: Convert to fraction form
1,045,139.14/1,442,313.71 = 592,430.14/x - Step 3: Cross multiply
1,045,139.14x = 1,442,313.71 × 592,430.14 - Step 4: Simplify right side
1,045,139.14x = 854,470,113,139.22 - Step 5: Solve for x
x = 854,470,113,139.22/1,045,139.14 - Step 6: Final answer
x = 817,565.89
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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.