Home / 1,670,742.23-2,305,626.50-906,795.89

Finding the Fourth Proportional to 1,670,742.23, 2,305,626.50 and 906,795.89

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Solution

The fourth proportional to 1,670,742.23, 2,305,626.50 and 906,795.89 is: 1,251,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,742.23 : 2,305,626.50 = 906,795.89 : x
  2. Step 2: Convert to fraction form
    1,670,742.23/2,305,626.50 = 906,795.89/x
  3. Step 3: Cross multiply
    1,670,742.23x = 2,305,626.50 × 906,795.89
  4. Step 4: Simplify right side
    1,670,742.23x = 2,090,732,634,075.09
  5. Step 5: Solve for x
    x = 2,090,732,634,075.09/1,670,742.23
  6. Step 6: Final answer
    x = 1,251,379.53

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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.