Home / 1,639,280.80-2,460,764.40-1,266,954.40

Finding the Fourth Proportional to 1,639,280.80, 2,460,764.40 and 1,266,954.40

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Solution

The fourth proportional to 1,639,280.80, 2,460,764.40 and 1,266,954.40 is: 1,901,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,280.80 : 2,460,764.40 = 1,266,954.40 : x
  2. Step 2: Convert to fraction form
    1,639,280.80/2,460,764.40 = 1,266,954.40/x
  3. Step 3: Cross multiply
    1,639,280.80x = 2,460,764.40 × 1,266,954.40
  4. Step 4: Simplify right side
    1,639,280.80x = 3,117,676,283,943.36
  5. Step 5: Solve for x
    x = 3,117,676,283,943.36/1,639,280.80
  6. Step 6: Final answer
    x = 1,901,856.16

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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.