Home / 1,739,235.48-2,400,489.20-1,128,145.56

Finding the Fourth Proportional to 1,739,235.48, 2,400,489.20 and 1,128,145.56

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Solution

The fourth proportional to 1,739,235.48, 2,400,489.20 and 1,128,145.56 is: 1,557,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,235.48 : 2,400,489.20 = 1,128,145.56 : x
  2. Step 2: Convert to fraction form
    1,739,235.48/2,400,489.20 = 1,128,145.56/x
  3. Step 3: Cross multiply
    1,739,235.48x = 2,400,489.20 × 1,128,145.56
  4. Step 4: Simplify right side
    1,739,235.48x = 2,708,101,232,807.95
  5. Step 5: Solve for x
    x = 2,708,101,232,807.95/1,739,235.48
  6. Step 6: Final answer
    x = 1,557,064.16

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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.