Home / 1,310,723.28-1,966,194-351,315.36

Finding the Fourth Proportional to 1,310,723.28, 1,966,194 and 351,315.36

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Solution

The fourth proportional to 1,310,723.28, 1,966,194 and 351,315.36 is: 527,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,723.28 : 1,966,194 = 351,315.36 : x
  2. Step 2: Convert to fraction form
    1,310,723.28/1,966,194 = 351,315.36/x
  3. Step 3: Cross multiply
    1,310,723.28x = 1,966,194 × 351,315.36
  4. Step 4: Simplify right side
    1,310,723.28x = 690,754,152,939.84
  5. Step 5: Solve for x
    x = 690,754,152,939.84/1,310,723.28
  6. Step 6: Final answer
    x = 527,002.28

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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.