Home / 1,357,018.40-1,872,612.24-753,367.52

Finding the Fourth Proportional to 1,357,018.40, 1,872,612.24 and 753,367.52

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Solution

The fourth proportional to 1,357,018.40, 1,872,612.24 and 753,367.52 is: 1,039,606.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,018.40 : 1,872,612.24 = 753,367.52 : x
  2. Step 2: Convert to fraction form
    1,357,018.40/1,872,612.24 = 753,367.52/x
  3. Step 3: Cross multiply
    1,357,018.40x = 1,872,612.24 × 753,367.52
  4. Step 4: Simplify right side
    1,357,018.40x = 1,410,765,239,170.44
  5. Step 5: Solve for x
    x = 1,410,765,239,170.44/1,357,018.40
  6. Step 6: Final answer
    x = 1,039,606.57

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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.