Home / 1,310,518.46-1,966,250.73-457,715.63

Finding the Fourth Proportional to 1,310,518.46, 1,966,250.73 and 457,715.63

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Solution

The fourth proportional to 1,310,518.46, 1,966,250.73 and 457,715.63 is: 686,738.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,518.46 : 1,966,250.73 = 457,715.63 : x
  2. Step 2: Convert to fraction form
    1,310,518.46/1,966,250.73 = 457,715.63/x
  3. Step 3: Cross multiply
    1,310,518.46x = 1,966,250.73 × 457,715.63
  4. Step 4: Simplify right side
    1,310,518.46x = 899,983,691,619.91
  5. Step 5: Solve for x
    x = 899,983,691,619.91/1,310,518.46
  6. Step 6: Final answer
    x = 686,738.66

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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.