Home / 1,309,694.40-1,806,300-772,632

Finding the Fourth Proportional to 1,309,694.40, 1,806,300 and 772,632

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Solution

The fourth proportional to 1,309,694.40, 1,806,300 and 772,632 is: 1,065,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,694.40 : 1,806,300 = 772,632 : x
  2. Step 2: Convert to fraction form
    1,309,694.40/1,806,300 = 772,632/x
  3. Step 3: Cross multiply
    1,309,694.40x = 1,806,300 × 772,632
  4. Step 4: Simplify right side
    1,309,694.40x = 1,395,605,181,600
  5. Step 5: Solve for x
    x = 1,395,605,181,600/1,309,694.40
  6. Step 6: Final answer
    x = 1,065,596.05

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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.