Home / 1,376,011.56-1,899,015.66-803,236.44

Finding the Fourth Proportional to 1,376,011.56, 1,899,015.66 and 803,236.44

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Solution

The fourth proportional to 1,376,011.56, 1,899,015.66 and 803,236.44 is: 1,108,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,011.56 : 1,899,015.66 = 803,236.44 : x
  2. Step 2: Convert to fraction form
    1,376,011.56/1,899,015.66 = 803,236.44/x
  3. Step 3: Cross multiply
    1,376,011.56x = 1,899,015.66 × 803,236.44
  4. Step 4: Simplify right side
    1,376,011.56x = 1,525,358,578,242.65
  5. Step 5: Solve for x
    x = 1,525,358,578,242.65/1,376,011.56
  6. Step 6: Final answer
    x = 1,108,536.17

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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.