Home / 1,408,565.40-2,112,933.66-397,763.58

Finding the Fourth Proportional to 1,408,565.40, 2,112,933.66 and 397,763.58

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Solution

The fourth proportional to 1,408,565.40, 2,112,933.66 and 397,763.58 is: 596,669.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,565.40 : 2,112,933.66 = 397,763.58 : x
  2. Step 2: Convert to fraction form
    1,408,565.40/2,112,933.66 = 397,763.58/x
  3. Step 3: Cross multiply
    1,408,565.40x = 2,112,933.66 × 397,763.58
  4. Step 4: Simplify right side
    1,408,565.40x = 840,448,056,904.10
  5. Step 5: Solve for x
    x = 840,448,056,904.10/1,408,565.40
  6. Step 6: Final answer
    x = 596,669.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.