Home / 1,420,124.10-2,130,196.95-473,493.30

Finding the Fourth Proportional to 1,420,124.10, 2,130,196.95 and 473,493.30

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Solution

The fourth proportional to 1,420,124.10, 2,130,196.95 and 473,493.30 is: 710,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,124.10 : 2,130,196.95 = 473,493.30 : x
  2. Step 2: Convert to fraction form
    1,420,124.10/2,130,196.95 = 473,493.30/x
  3. Step 3: Cross multiply
    1,420,124.10x = 2,130,196.95 × 473,493.30
  4. Step 4: Simplify right side
    1,420,124.10x = 1,008,633,983,505.44
  5. Step 5: Solve for x
    x = 1,008,633,983,505.44/1,420,124.10
  6. Step 6: Final answer
    x = 710,243.55

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Double scale
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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.