Home / 1,420,100.10-2,130,160.95-473,469.30

Finding the Fourth Proportional to 1,420,100.10, 2,130,160.95 and 473,469.30

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Solution

The fourth proportional to 1,420,100.10, 2,130,160.95 and 473,469.30 is: 710,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,100.10 : 2,130,160.95 = 473,469.30 : x
  2. Step 2: Convert to fraction form
    1,420,100.10/2,130,160.95 = 473,469.30/x
  3. Step 3: Cross multiply
    1,420,100.10x = 2,130,160.95 × 473,469.30
  4. Step 4: Simplify right side
    1,420,100.10x = 1,008,565,813,883.84
  5. Step 5: Solve for x
    x = 1,008,565,813,883.84/1,420,100.10
  6. Step 6: Final answer
    x = 710,207.55

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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.