Home / 1,791,703.40-2,688,591.90-669,885.80

Finding the Fourth Proportional to 1,791,703.40, 2,688,591.90 and 669,885.80

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Solution

The fourth proportional to 1,791,703.40, 2,688,591.90 and 669,885.80 is: 1,005,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,703.40 : 2,688,591.90 = 669,885.80 : x
  2. Step 2: Convert to fraction form
    1,791,703.40/2,688,591.90 = 669,885.80/x
  3. Step 3: Cross multiply
    1,791,703.40x = 2,688,591.90 × 669,885.80
  4. Step 4: Simplify right side
    1,791,703.40x = 1,801,049,535,805.02
  5. Step 5: Solve for x
    x = 1,801,049,535,805.02/1,791,703.40
  6. Step 6: Final answer
    x = 1,005,216.34

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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.