Home / 1,637,145.80-2,456,052.06-690,520.04

Finding the Fourth Proportional to 1,637,145.80, 2,456,052.06 and 690,520.04

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Solution

The fourth proportional to 1,637,145.80, 2,456,052.06 and 690,520.04 is: 1,035,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,145.80 : 2,456,052.06 = 690,520.04 : x
  2. Step 2: Convert to fraction form
    1,637,145.80/2,456,052.06 = 690,520.04/x
  3. Step 3: Cross multiply
    1,637,145.80x = 2,456,052.06 × 690,520.04
  4. Step 4: Simplify right side
    1,637,145.80x = 1,695,953,166,713.28
  5. Step 5: Solve for x
    x = 1,695,953,166,713.28/1,637,145.80
  6. Step 6: Final answer
    x = 1,035,920.67

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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.