Home / 1,491,913.80-2,239,822.02-885,808.62

Finding the Fourth Proportional to 1,491,913.80, 2,239,822.02 and 885,808.62

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Solution

The fourth proportional to 1,491,913.80, 2,239,822.02 and 885,808.62 is: 1,329,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,913.80 : 2,239,822.02 = 885,808.62 : x
  2. Step 2: Convert to fraction form
    1,491,913.80/2,239,822.02 = 885,808.62/x
  3. Step 3: Cross multiply
    1,491,913.80x = 2,239,822.02 × 885,808.62
  4. Step 4: Simplify right side
    1,491,913.80x = 1,984,053,652,581.81
  5. Step 5: Solve for x
    x = 1,984,053,652,581.81/1,491,913.80
  6. Step 6: Final answer
    x = 1,329,871.51

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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.