Home / 1,245,671.32-1,719,026.18-672,711.40

Finding the Fourth Proportional to 1,245,671.32, 1,719,026.18 and 672,711.40

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Solution

The fourth proportional to 1,245,671.32, 1,719,026.18 and 672,711.40 is: 928,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,671.32 : 1,719,026.18 = 672,711.40 : x
  2. Step 2: Convert to fraction form
    1,245,671.32/1,719,026.18 = 672,711.40/x
  3. Step 3: Cross multiply
    1,245,671.32x = 1,719,026.18 × 672,711.40
  4. Step 4: Simplify right side
    1,245,671.32x = 1,156,408,508,184.45
  5. Step 5: Solve for x
    x = 1,156,408,508,184.45/1,245,671.32
  6. Step 6: Final answer
    x = 928,341.60

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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.