Home / 1,707,457.50-2,561,286.47-642,508.74

Finding the Fourth Proportional to 1,707,457.50, 2,561,286.47 and 642,508.74

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Solution

The fourth proportional to 1,707,457.50, 2,561,286.47 and 642,508.74 is: 963,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,457.50 : 2,561,286.47 = 642,508.74 : x
  2. Step 2: Convert to fraction form
    1,707,457.50/2,561,286.47 = 642,508.74/x
  3. Step 3: Cross multiply
    1,707,457.50x = 2,561,286.47 × 642,508.74
  4. Step 4: Simplify right side
    1,707,457.50x = 1,645,648,939,406.20
  5. Step 5: Solve for x
    x = 1,645,648,939,406.20/1,707,457.50
  6. Step 6: Final answer
    x = 963,800.82

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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.