Home / 1,528,385.80-2,292,505.80-517,408.60

Finding the Fourth Proportional to 1,528,385.80, 2,292,505.80 and 517,408.60

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Solution

The fourth proportional to 1,528,385.80, 2,292,505.80 and 517,408.60 is: 776,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,385.80 : 2,292,505.80 = 517,408.60 : x
  2. Step 2: Convert to fraction form
    1,528,385.80/2,292,505.80 = 517,408.60/x
  3. Step 3: Cross multiply
    1,528,385.80x = 2,292,505.80 × 517,408.60
  4. Step 4: Simplify right side
    1,528,385.80x = 1,186,162,216,469.88
  5. Step 5: Solve for x
    x = 1,186,162,216,469.88/1,528,385.80
  6. Step 6: Final answer
    x = 776,088.22

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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.