Home / 1,313,488.12-1,967,380.98-806,510.20

Finding the Fourth Proportional to 1,313,488.12, 1,967,380.98 and 806,510.20

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Solution

The fourth proportional to 1,313,488.12, 1,967,380.98 and 806,510.20 is: 1,208,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,488.12 : 1,967,380.98 = 806,510.20 : x
  2. Step 2: Convert to fraction form
    1,313,488.12/1,967,380.98 = 806,510.20/x
  3. Step 3: Cross multiply
    1,313,488.12x = 1,967,380.98 × 806,510.20
  4. Step 4: Simplify right side
    1,313,488.12x = 1,586,712,827,656.00
  5. Step 5: Solve for x
    x = 1,586,712,827,656.00/1,313,488.12
  6. Step 6: Final answer
    x = 1,208,014.60

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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.