Home / 1,377,007.90-2,065,511.85-578,023.90

Finding the Fourth Proportional to 1,377,007.90, 2,065,511.85 and 578,023.90

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Solution

The fourth proportional to 1,377,007.90, 2,065,511.85 and 578,023.90 is: 867,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,007.90 : 2,065,511.85 = 578,023.90 : x
  2. Step 2: Convert to fraction form
    1,377,007.90/2,065,511.85 = 578,023.90/x
  3. Step 3: Cross multiply
    1,377,007.90x = 2,065,511.85 × 578,023.90
  4. Step 4: Simplify right side
    1,377,007.90x = 1,193,915,215,033.22
  5. Step 5: Solve for x
    x = 1,193,915,215,033.22/1,377,007.90
  6. Step 6: Final answer
    x = 867,035.85

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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.