Home / 1,581,432.89-2,372,128.27-383,365.94

Finding the Fourth Proportional to 1,581,432.89, 2,372,128.27 and 383,365.94

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Solution

The fourth proportional to 1,581,432.89, 2,372,128.27 and 383,365.94 is: 575,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,432.89 : 2,372,128.27 = 383,365.94 : x
  2. Step 2: Convert to fraction form
    1,581,432.89/2,372,128.27 = 383,365.94/x
  3. Step 3: Cross multiply
    1,581,432.89x = 2,372,128.27 × 383,365.94
  4. Step 4: Simplify right side
    1,581,432.89x = 909,393,171,210.07
  5. Step 5: Solve for x
    x = 909,393,171,210.07/1,581,432.89
  6. Step 6: Final answer
    x = 575,043.80

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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.