Home / 1,126,483.65-1,690,835.58-802,631.48

Finding the Fourth Proportional to 1,126,483.65, 1,690,835.58 and 802,631.48

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Solution

The fourth proportional to 1,126,483.65, 1,690,835.58 and 802,631.48 is: 1,204,738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,483.65 : 1,690,835.58 = 802,631.48 : x
  2. Step 2: Convert to fraction form
    1,126,483.65/1,690,835.58 = 802,631.48/x
  3. Step 3: Cross multiply
    1,126,483.65x = 1,690,835.58 × 802,631.48
  4. Step 4: Simplify right side
    1,126,483.65x = 1,357,117,855,557.88
  5. Step 5: Solve for x
    x = 1,357,117,855,557.88/1,126,483.65
  6. Step 6: Final answer
    x = 1,204,738.17

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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.