Home / 1,303,408.23-1,956,168.59-672,502.47

Finding the Fourth Proportional to 1,303,408.23, 1,956,168.59 and 672,502.47

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Solution

The fourth proportional to 1,303,408.23, 1,956,168.59 and 672,502.47 is: 1,009,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,408.23 : 1,956,168.59 = 672,502.47 : x
  2. Step 2: Convert to fraction form
    1,303,408.23/1,956,168.59 = 672,502.47/x
  3. Step 3: Cross multiply
    1,303,408.23x = 1,956,168.59 × 672,502.47
  4. Step 4: Simplify right side
    1,303,408.23x = 1,315,528,205,148.90
  5. Step 5: Solve for x
    x = 1,315,528,205,148.90/1,303,408.23
  6. Step 6: Final answer
    x = 1,009,298.68

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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.