Home / 1,126,904.40-1,690,208.64-558,064.08

Finding the Fourth Proportional to 1,126,904.40, 1,690,208.64 and 558,064.08

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Solution

The fourth proportional to 1,126,904.40, 1,690,208.64 and 558,064.08 is: 837,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,904.40 : 1,690,208.64 = 558,064.08 : x
  2. Step 2: Convert to fraction form
    1,126,904.40/1,690,208.64 = 558,064.08/x
  3. Step 3: Cross multiply
    1,126,904.40x = 1,690,208.64 × 558,064.08
  4. Step 4: Simplify right side
    1,126,904.40x = 943,244,729,689.65
  5. Step 5: Solve for x
    x = 943,244,729,689.65/1,126,904.40
  6. Step 6: Final answer
    x = 837,022.85

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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.