Home / 1,457,788.28-2,011,750.74-813,191.72

Finding the Fourth Proportional to 1,457,788.28, 2,011,750.74 and 813,191.72

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Solution

The fourth proportional to 1,457,788.28, 2,011,750.74 and 813,191.72 is: 1,122,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,788.28 : 2,011,750.74 = 813,191.72 : x
  2. Step 2: Convert to fraction form
    1,457,788.28/2,011,750.74 = 813,191.72/x
  3. Step 3: Cross multiply
    1,457,788.28x = 2,011,750.74 × 813,191.72
  4. Step 4: Simplify right side
    1,457,788.28x = 1,635,939,044,471.87
  5. Step 5: Solve for x
    x = 1,635,939,044,471.87/1,457,788.28
  6. Step 6: Final answer
    x = 1,122,206.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.