Home / 1,721,272.42-2,581,842.48-459,089.02

Finding the Fourth Proportional to 1,721,272.42, 2,581,842.48 and 459,089.02

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Solution

The fourth proportional to 1,721,272.42, 2,581,842.48 and 459,089.02 is: 688,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,272.42 : 2,581,842.48 = 459,089.02 : x
  2. Step 2: Convert to fraction form
    1,721,272.42/2,581,842.48 = 459,089.02/x
  3. Step 3: Cross multiply
    1,721,272.42x = 2,581,842.48 × 459,089.02
  4. Step 4: Simplify right side
    1,721,272.42x = 1,185,295,533,937.57
  5. Step 5: Solve for x
    x = 1,185,295,533,937.57/1,721,272.42
  6. Step 6: Final answer
    x = 688,615.89

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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.