Home / 1,232,380.13-1,700,653.24-688,520

Finding the Fourth Proportional to 1,232,380.13, 1,700,653.24 and 688,520

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Solution

The fourth proportional to 1,232,380.13, 1,700,653.24 and 688,520 is: 950,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,380.13 : 1,700,653.24 = 688,520 : x
  2. Step 2: Convert to fraction form
    1,232,380.13/1,700,653.24 = 688,520/x
  3. Step 3: Cross multiply
    1,232,380.13x = 1,700,653.24 × 688,520
  4. Step 4: Simplify right side
    1,232,380.13x = 1,170,933,768,804.80
  5. Step 5: Solve for x
    x = 1,170,933,768,804.80/1,232,380.13
  6. Step 6: Final answer
    x = 950,140.09

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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.