Home / 1,326,636.40-1,990,725.96-558,077.76

Finding the Fourth Proportional to 1,326,636.40, 1,990,725.96 and 558,077.76

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Solution

The fourth proportional to 1,326,636.40, 1,990,725.96 and 558,077.76 is: 837,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,636.40 : 1,990,725.96 = 558,077.76 : x
  2. Step 2: Convert to fraction form
    1,326,636.40/1,990,725.96 = 558,077.76/x
  3. Step 3: Cross multiply
    1,326,636.40x = 1,990,725.96 × 558,077.76
  4. Step 4: Simplify right side
    1,326,636.40x = 1,110,979,884,530.65
  5. Step 5: Solve for x
    x = 1,110,979,884,530.65/1,326,636.40
  6. Step 6: Final answer
    x = 837,441.13

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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.