Home / 703,401.40-1,055,102.10-672,686.20

Finding the Fourth Proportional to 703,401.40, 1,055,102.10 and 672,686.20

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Solution

The fourth proportional to 703,401.40, 1,055,102.10 and 672,686.20 is: 1,009,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,401.40 : 1,055,102.10 = 672,686.20 : x
  2. Step 2: Convert to fraction form
    703,401.40/1,055,102.10 = 672,686.20/x
  3. Step 3: Cross multiply
    703,401.40x = 1,055,102.10 × 672,686.20
  4. Step 4: Simplify right side
    703,401.40x = 709,752,622,261.02
  5. Step 5: Solve for x
    x = 709,752,622,261.02/703,401.40
  6. Step 6: Final answer
    x = 1,009,029.30

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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.