Home / 1,720,492.80-2,580,572.44-522,425.65

Finding the Fourth Proportional to 1,720,492.80, 2,580,572.44 and 522,425.65

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Solution

The fourth proportional to 1,720,492.80, 2,580,572.44 and 522,425.65 is: 783,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,492.80 : 2,580,572.44 = 522,425.65 : x
  2. Step 2: Convert to fraction form
    1,720,492.80/2,580,572.44 = 522,425.65/x
  3. Step 3: Cross multiply
    1,720,492.80x = 2,580,572.44 × 522,425.65
  4. Step 4: Simplify right side
    1,720,492.80x = 1,348,157,234,339.09
  5. Step 5: Solve for x
    x = 1,348,157,234,339.09/1,720,492.80
  6. Step 6: Final answer
    x = 783,587.84

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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.