Home / 1,017,002.70-1,525,455.45-343,017.90

Finding the Fourth Proportional to 1,017,002.70, 1,525,455.45 and 343,017.90

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Solution

The fourth proportional to 1,017,002.70, 1,525,455.45 and 343,017.90 is: 514,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,002.70 : 1,525,455.45 = 343,017.90 : x
  2. Step 2: Convert to fraction form
    1,017,002.70/1,525,455.45 = 343,017.90/x
  3. Step 3: Cross multiply
    1,017,002.70x = 1,525,455.45 × 343,017.90
  4. Step 4: Simplify right side
    1,017,002.70x = 523,258,525,002.56
  5. Step 5: Solve for x
    x = 523,258,525,002.56/1,017,002.70
  6. Step 6: Final answer
    x = 514,510.46

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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.