Home / 1,069,477.44-1,475,738.40-639,600.72

Finding the Fourth Proportional to 1,069,477.44, 1,475,738.40 and 639,600.72

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Solution

The fourth proportional to 1,069,477.44, 1,475,738.40 and 639,600.72 is: 882,564.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,477.44 : 1,475,738.40 = 639,600.72 : x
  2. Step 2: Convert to fraction form
    1,069,477.44/1,475,738.40 = 639,600.72/x
  3. Step 3: Cross multiply
    1,069,477.44x = 1,475,738.40 × 639,600.72
  4. Step 4: Simplify right side
    1,069,477.44x = 943,883,343,171.65
  5. Step 5: Solve for x
    x = 943,883,343,171.65/1,069,477.44
  6. Step 6: Final answer
    x = 882,564.99

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1.5x scale

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.