Home / 1,580,978.20-2,371,532.90-459,047.20

Finding the Fourth Proportional to 1,580,978.20, 2,371,532.90 and 459,047.20

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Solution

The fourth proportional to 1,580,978.20, 2,371,532.90 and 459,047.20 is: 688,589.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,978.20 : 2,371,532.90 = 459,047.20 : x
  2. Step 2: Convert to fraction form
    1,580,978.20/2,371,532.90 = 459,047.20/x
  3. Step 3: Cross multiply
    1,580,978.20x = 2,371,532.90 × 459,047.20
  4. Step 4: Simplify right side
    1,580,978.20x = 1,088,645,537,452.88
  5. Step 5: Solve for x
    x = 1,088,645,537,452.88/1,580,978.20
  6. Step 6: Final answer
    x = 688,589.85

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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.