Home / 1,756,828.80-2,629,411.20-1,275,688.80

Finding the Fourth Proportional to 1,756,828.80, 2,629,411.20 and 1,275,688.80

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Solution

The fourth proportional to 1,756,828.80, 2,629,411.20 and 1,275,688.80 is: 1,909,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,828.80 : 2,629,411.20 = 1,275,688.80 : x
  2. Step 2: Convert to fraction form
    1,756,828.80/2,629,411.20 = 1,275,688.80/x
  3. Step 3: Cross multiply
    1,756,828.80x = 2,629,411.20 × 1,275,688.80
  4. Step 4: Simplify right side
    1,756,828.80x = 3,354,310,418,434.56
  5. Step 5: Solve for x
    x = 3,354,310,418,434.56/1,756,828.80
  6. Step 6: Final answer
    x = 1,909,298.40

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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.