Home / 1,223,410.23-1,688,332.86-672,133.04

Finding the Fourth Proportional to 1,223,410.23, 1,688,332.86 and 672,133.04

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Solution

The fourth proportional to 1,223,410.23, 1,688,332.86 and 672,133.04 is: 927,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,410.23 : 1,688,332.86 = 672,133.04 : x
  2. Step 2: Convert to fraction form
    1,223,410.23/1,688,332.86 = 672,133.04/x
  3. Step 3: Cross multiply
    1,223,410.23x = 1,688,332.86 × 672,133.04
  4. Step 4: Simplify right side
    1,223,410.23x = 1,134,784,297,723.69
  5. Step 5: Solve for x
    x = 1,134,784,297,723.69/1,223,410.23
  6. Step 6: Final answer
    x = 927,558.29

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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.