Home / 1,674,809.40-2,311,217.58-910,846.20

Finding the Fourth Proportional to 1,674,809.40, 2,311,217.58 and 910,846.20

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Solution

The fourth proportional to 1,674,809.40, 2,311,217.58 and 910,846.20 is: 1,256,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,809.40 : 2,311,217.58 = 910,846.20 : x
  2. Step 2: Convert to fraction form
    1,674,809.40/2,311,217.58 = 910,846.20/x
  3. Step 3: Cross multiply
    1,674,809.40x = 2,311,217.58 × 910,846.20
  4. Step 4: Simplify right side
    1,674,809.40x = 2,105,163,750,116.20
  5. Step 5: Solve for x
    x = 2,105,163,750,116.20/1,674,809.40
  6. Step 6: Final answer
    x = 1,256,957.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.