Home / 1,000,358.75-1,380,626.49-570,540.35

Finding the Fourth Proportional to 1,000,358.75, 1,380,626.49 and 570,540.35

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Solution

The fourth proportional to 1,000,358.75, 1,380,626.49 and 570,540.35 is: 787,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,358.75 : 1,380,626.49 = 570,540.35 : x
  2. Step 2: Convert to fraction form
    1,000,358.75/1,380,626.49 = 570,540.35/x
  3. Step 3: Cross multiply
    1,000,358.75x = 1,380,626.49 × 570,540.35
  4. Step 4: Simplify right side
    1,000,358.75x = 787,703,113,920.74
  5. Step 5: Solve for x
    x = 787,703,113,920.74/1,000,358.75
  6. Step 6: Final answer
    x = 787,420.63

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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.