Home / 1,457,001.20-2,185,501.80-392,150.90

Finding the Fourth Proportional to 1,457,001.20, 2,185,501.80 and 392,150.90

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Solution

The fourth proportional to 1,457,001.20, 2,185,501.80 and 392,150.90 is: 588,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,001.20 : 2,185,501.80 = 392,150.90 : x
  2. Step 2: Convert to fraction form
    1,457,001.20/2,185,501.80 = 392,150.90/x
  3. Step 3: Cross multiply
    1,457,001.20x = 2,185,501.80 × 392,150.90
  4. Step 4: Simplify right side
    1,457,001.20x = 857,046,497,821.62
  5. Step 5: Solve for x
    x = 857,046,497,821.62/1,457,001.20
  6. Step 6: Final answer
    x = 588,226.35

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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.