Home / 1,343,574.44-1,851,971.70-907,855.72

Finding the Fourth Proportional to 1,343,574.44, 1,851,971.70 and 907,855.72

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Solution

The fourth proportional to 1,343,574.44, 1,851,971.70 and 907,855.72 is: 1,251,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,574.44 : 1,851,971.70 = 907,855.72 : x
  2. Step 2: Convert to fraction form
    1,343,574.44/1,851,971.70 = 907,855.72/x
  3. Step 3: Cross multiply
    1,343,574.44x = 1,851,971.70 × 907,855.72
  4. Step 4: Simplify right side
    1,343,574.44x = 1,681,323,101,123.12
  5. Step 5: Solve for x
    x = 1,681,323,101,123.12/1,343,574.44
  6. Step 6: Final answer
    x = 1,251,380.68

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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.