Home / 1,640,458.80-2,460,688.20-1,233,020.70

Finding the Fourth Proportional to 1,640,458.80, 2,460,688.20 and 1,233,020.70

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Solution

The fourth proportional to 1,640,458.80, 2,460,688.20 and 1,233,020.70 is: 1,849,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,458.80 : 2,460,688.20 = 1,233,020.70 : x
  2. Step 2: Convert to fraction form
    1,640,458.80/2,460,688.20 = 1,233,020.70/x
  3. Step 3: Cross multiply
    1,640,458.80x = 2,460,688.20 × 1,233,020.70
  4. Step 4: Simplify right side
    1,640,458.80x = 3,034,079,486,845.74
  5. Step 5: Solve for x
    x = 3,034,079,486,845.74/1,640,458.80
  6. Step 6: Final answer
    x = 1,849,531.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.