Home / 683,587.80-1,025,381.70-673,090.20

Finding the Fourth Proportional to 683,587.80, 1,025,381.70 and 673,090.20

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Solution

The fourth proportional to 683,587.80, 1,025,381.70 and 673,090.20 is: 1,009,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,587.80 : 1,025,381.70 = 673,090.20 : x
  2. Step 2: Convert to fraction form
    683,587.80/1,025,381.70 = 673,090.20/x
  3. Step 3: Cross multiply
    683,587.80x = 1,025,381.70 × 673,090.20
  4. Step 4: Simplify right side
    683,587.80x = 690,174,373,529.34
  5. Step 5: Solve for x
    x = 690,174,373,529.34/683,587.80
  6. Step 6: Final answer
    x = 1,009,635.30

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1.5x scale

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.