Home / 1,344,530.72-1,855,521.60-740,918.72

Finding the Fourth Proportional to 1,344,530.72, 1,855,521.60 and 740,918.72

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Solution

The fourth proportional to 1,344,530.72, 1,855,521.60 and 740,918.72 is: 1,022,505.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,530.72 : 1,855,521.60 = 740,918.72 : x
  2. Step 2: Convert to fraction form
    1,344,530.72/1,855,521.60 = 740,918.72/x
  3. Step 3: Cross multiply
    1,344,530.72x = 1,855,521.60 × 740,918.72
  4. Step 4: Simplify right side
    1,344,530.72x = 1,374,790,688,804.35
  5. Step 5: Solve for x
    x = 1,374,790,688,804.35/1,344,530.72
  6. Step 6: Final answer
    x = 1,022,505.97

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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.