Finding the Fourth Proportional to 1,130,314.26, 1,688,155.08 and 1,023,484.74
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Solution
The fourth proportional to 1,130,314.26, 1,688,155.08 and 1,023,484.74 is: 1,528,602.29
Step by Step Solution
- Step 1: Write the proportion equation
1,130,314.26 : 1,688,155.08 = 1,023,484.74 : x - Step 2: Convert to fraction form
1,130,314.26/1,688,155.08 = 1,023,484.74/x - Step 3: Cross multiply
1,130,314.26x = 1,688,155.08 × 1,023,484.74 - Step 4: Simplify right side
1,130,314.26x = 1,727,800,963,133.48 - Step 5: Solve for x
x = 1,727,800,963,133.48/1,130,314.26 - Step 6: Final answer
x = 1,528,602.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.