Home / 1,510,692.76-2,266,114.43-431,365.40

Finding the Fourth Proportional to 1,510,692.76, 2,266,114.43 and 431,365.40

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Solution

The fourth proportional to 1,510,692.76, 2,266,114.43 and 431,365.40 is: 647,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,692.76 : 2,266,114.43 = 431,365.40 : x
  2. Step 2: Convert to fraction form
    1,510,692.76/2,266,114.43 = 431,365.40/x
  3. Step 3: Cross multiply
    1,510,692.76x = 2,266,114.43 × 431,365.40
  4. Step 4: Simplify right side
    1,510,692.76x = 977,523,346,212.15
  5. Step 5: Solve for x
    x = 977,523,346,212.15/1,510,692.76
  6. Step 6: Final answer
    x = 647,069.59

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1.5x scale

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.