Home / 1,528,080.72-2,108,763.90-955,452.84

Finding the Fourth Proportional to 1,528,080.72, 2,108,763.90 and 955,452.84

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Solution

The fourth proportional to 1,528,080.72, 2,108,763.90 and 955,452.84 is: 1,318,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,080.72 : 2,108,763.90 = 955,452.84 : x
  2. Step 2: Convert to fraction form
    1,528,080.72/2,108,763.90 = 955,452.84/x
  3. Step 3: Cross multiply
    1,528,080.72x = 2,108,763.90 × 955,452.84
  4. Step 4: Simplify right side
    1,528,080.72x = 2,014,824,457,144.48
  5. Step 5: Solve for x
    x = 2,014,824,457,144.48/1,528,080.72
  6. Step 6: Final answer
    x = 1,318,532.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.