Finding the Fourth Proportional to 1,445,878.92, 2,169,271.68 and 870,130.53
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Solution
The fourth proportional to 1,445,878.92, 2,169,271.68 and 870,130.53 is: 1,305,468.59
Step by Step Solution
- Step 1: Write the proportion equation
1,445,878.92 : 2,169,271.68 = 870,130.53 : x - Step 2: Convert to fraction form
1,445,878.92/2,169,271.68 = 870,130.53/x - Step 3: Cross multiply
1,445,878.92x = 2,169,271.68 × 870,130.53 - Step 4: Simplify right side
1,445,878.92x = 1,887,549,516,632.39 - Step 5: Solve for x
x = 1,887,549,516,632.39/1,445,878.92 - Step 6: Final answer
x = 1,305,468.59
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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.