Home / 1,313,037.46-1,812,005.54-740,077.62

Finding the Fourth Proportional to 1,313,037.46, 1,812,005.54 and 740,077.62

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Solution

The fourth proportional to 1,313,037.46, 1,812,005.54 and 740,077.62 is: 1,021,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,037.46 : 1,812,005.54 = 740,077.62 : x
  2. Step 2: Convert to fraction form
    1,313,037.46/1,812,005.54 = 740,077.62/x
  3. Step 3: Cross multiply
    1,313,037.46x = 1,812,005.54 × 740,077.62
  4. Step 4: Simplify right side
    1,313,037.46x = 1,341,024,747,470.01
  5. Step 5: Solve for x
    x = 1,341,024,747,470.01/1,313,037.46
  6. Step 6: Final answer
    x = 1,021,314.92

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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.