Home / 1,074,507.60-1,609,918.20-512,331.60

Finding the Fourth Proportional to 1,074,507.60, 1,609,918.20 and 512,331.60

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Solution

The fourth proportional to 1,074,507.60, 1,609,918.20 and 512,331.60 is: 767,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,507.60 : 1,609,918.20 = 512,331.60 : x
  2. Step 2: Convert to fraction form
    1,074,507.60/1,609,918.20 = 512,331.60/x
  3. Step 3: Cross multiply
    1,074,507.60x = 1,609,918.20 × 512,331.60
  4. Step 4: Simplify right side
    1,074,507.60x = 824,811,967,275.12
  5. Step 5: Solve for x
    x = 824,811,967,275.12/1,074,507.60
  6. Step 6: Final answer
    x = 767,618.55

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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.