Home / 1,406,152.89-2,109,542.54-774,741.69

Finding the Fourth Proportional to 1,406,152.89, 2,109,542.54 and 774,741.69

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Solution

The fourth proportional to 1,406,152.89, 2,109,542.54 and 774,741.69 is: 1,162,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,152.89 : 2,109,542.54 = 774,741.69 : x
  2. Step 2: Convert to fraction form
    1,406,152.89/2,109,542.54 = 774,741.69/x
  3. Step 3: Cross multiply
    1,406,152.89x = 2,109,542.54 × 774,741.69
  4. Step 4: Simplify right side
    1,406,152.89x = 1,634,350,548,692.78
  5. Step 5: Solve for x
    x = 1,634,350,548,692.78/1,406,152.89
  6. Step 6: Final answer
    x = 1,162,285.10

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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.