Home / 1,920,565.08-2,880,785.66-572,738.85

Finding the Fourth Proportional to 1,920,565.08, 2,880,785.66 and 572,738.85

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Solution

The fourth proportional to 1,920,565.08, 2,880,785.66 and 572,738.85 is: 859,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,565.08 : 2,880,785.66 = 572,738.85 : x
  2. Step 2: Convert to fraction form
    1,920,565.08/2,880,785.66 = 572,738.85/x
  3. Step 3: Cross multiply
    1,920,565.08x = 2,880,785.66 × 572,738.85
  4. Step 4: Simplify right side
    1,920,565.08x = 1,649,937,863,141.20
  5. Step 5: Solve for x
    x = 1,649,937,863,141.20/1,920,565.08
  6. Step 6: Final answer
    x = 859,089.80

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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.