Home / 1,005,345.52-1,507,170.74-436,297.97

Finding the Fourth Proportional to 1,005,345.52, 1,507,170.74 and 436,297.97

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Solution

The fourth proportional to 1,005,345.52, 1,507,170.74 and 436,297.97 is: 654,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,345.52 : 1,507,170.74 = 436,297.97 : x
  2. Step 2: Convert to fraction form
    1,005,345.52/1,507,170.74 = 436,297.97/x
  3. Step 3: Cross multiply
    1,005,345.52x = 1,507,170.74 × 436,297.97
  4. Step 4: Simplify right side
    1,005,345.52x = 657,575,538,618.70
  5. Step 5: Solve for x
    x = 657,575,538,618.70/1,005,345.52
  6. Step 6: Final answer
    x = 654,079.15

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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.