Home / 1,420,083.45-2,130,144.03-473,454.48

Finding the Fourth Proportional to 1,420,083.45, 2,130,144.03 and 473,454.48

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Solution

The fourth proportional to 1,420,083.45, 2,130,144.03 and 473,454.48 is: 710,188.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,083.45 : 2,130,144.03 = 473,454.48 : x
  2. Step 2: Convert to fraction form
    1,420,083.45/2,130,144.03 = 473,454.48/x
  3. Step 3: Cross multiply
    1,420,083.45x = 2,130,144.03 × 473,454.48
  4. Step 4: Simplify right side
    1,420,083.45x = 1,008,526,234,048.75
  5. Step 5: Solve for x
    x = 1,008,526,234,048.75/1,420,083.45
  6. Step 6: Final answer
    x = 710,188.01

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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.