Home / 1,569,432.85-2,354,176.59-432,189.21

Finding the Fourth Proportional to 1,569,432.85, 2,354,176.59 and 432,189.21

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Solution

The fourth proportional to 1,569,432.85, 2,354,176.59 and 432,189.21 is: 648,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,432.85 : 2,354,176.59 = 432,189.21 : x
  2. Step 2: Convert to fraction form
    1,569,432.85/2,354,176.59 = 432,189.21/x
  3. Step 3: Cross multiply
    1,569,432.85x = 2,354,176.59 × 432,189.21
  4. Step 4: Simplify right side
    1,569,432.85x = 1,017,449,720,632.59
  5. Step 5: Solve for x
    x = 1,017,449,720,632.59/1,569,432.85
  6. Step 6: Final answer
    x = 648,291.34

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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.