Home / 1,395,335.76-1,925,538.85-783,493.35

Finding the Fourth Proportional to 1,395,335.76, 1,925,538.85 and 783,493.35

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Solution

The fourth proportional to 1,395,335.76, 1,925,538.85 and 783,493.35 is: 1,081,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,335.76 : 1,925,538.85 = 783,493.35 : x
  2. Step 2: Convert to fraction form
    1,395,335.76/1,925,538.85 = 783,493.35/x
  3. Step 3: Cross multiply
    1,395,335.76x = 1,925,538.85 × 783,493.35
  4. Step 4: Simplify right side
    1,395,335.76x = 1,508,646,884,141.65
  5. Step 5: Solve for x
    x = 1,508,646,884,141.65/1,395,335.76
  6. Step 6: Final answer
    x = 1,081,207.07

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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.