Home / 1,523,422.40-2,285,141.76-458,457.20

Finding the Fourth Proportional to 1,523,422.40, 2,285,141.76 and 458,457.20

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Solution

The fourth proportional to 1,523,422.40, 2,285,141.76 and 458,457.20 is: 687,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,523,422.40 : 2,285,141.76 = 458,457.20 : x
  2. Step 2: Convert to fraction form
    1,523,422.40/2,285,141.76 = 458,457.20/x
  3. Step 3: Cross multiply
    1,523,422.40x = 2,285,141.76 × 458,457.20
  4. Step 4: Simplify right side
    1,523,422.40x = 1,047,639,692,892.67
  5. Step 5: Solve for x
    x = 1,047,639,692,892.67/1,523,422.40
  6. Step 6: Final answer
    x = 687,688.26

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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.