Home / 1,385,426.79-2,078,139.38-1,008,744.39

Finding the Fourth Proportional to 1,385,426.79, 2,078,139.38 and 1,008,744.39

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Solution

The fourth proportional to 1,385,426.79, 2,078,139.38 and 1,008,744.39 is: 1,513,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,426.79 : 2,078,139.38 = 1,008,744.39 : x
  2. Step 2: Convert to fraction form
    1,385,426.79/2,078,139.38 = 1,008,744.39/x
  3. Step 3: Cross multiply
    1,385,426.79x = 2,078,139.38 × 1,008,744.39
  4. Step 4: Simplify right side
    1,385,426.79x = 2,096,311,436,169.36
  5. Step 5: Solve for x
    x = 2,096,311,436,169.36/1,385,426.79
  6. Step 6: Final answer
    x = 1,513,116.00

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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.