Home / 1,668,692.40-2,503,694.70-657,642.30

Finding the Fourth Proportional to 1,668,692.40, 2,503,694.70 and 657,642.30

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Solution

The fourth proportional to 1,668,692.40, 2,503,694.70 and 657,642.30 is: 986,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,692.40 : 2,503,694.70 = 657,642.30 : x
  2. Step 2: Convert to fraction form
    1,668,692.40/2,503,694.70 = 657,642.30/x
  3. Step 3: Cross multiply
    1,668,692.40x = 2,503,694.70 × 657,642.30
  4. Step 4: Simplify right side
    1,668,692.40x = 1,646,535,541,005.81
  5. Step 5: Solve for x
    x = 1,646,535,541,005.81/1,668,692.40
  6. Step 6: Final answer
    x = 986,722.02

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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.