Home / 1,345,304.50-1,856,291.88-772,332.37

Finding the Fourth Proportional to 1,345,304.50, 1,856,291.88 and 772,332.37

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Solution

The fourth proportional to 1,345,304.50, 1,856,291.88 and 772,332.37 is: 1,065,687.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,304.50 : 1,856,291.88 = 772,332.37 : x
  2. Step 2: Convert to fraction form
    1,345,304.50/1,856,291.88 = 772,332.37/x
  3. Step 3: Cross multiply
    1,345,304.50x = 1,856,291.88 × 772,332.37
  4. Step 4: Simplify right side
    1,345,304.50x = 1,433,674,305,347.67
  5. Step 5: Solve for x
    x = 1,433,674,305,347.67/1,345,304.50
  6. Step 6: Final answer
    x = 1,065,687.59

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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.