Home / 1,357,549.81-1,873,309.48-784,627.09

Finding the Fourth Proportional to 1,357,549.81, 1,873,309.48 and 784,627.09

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Solution

The fourth proportional to 1,357,549.81, 1,873,309.48 and 784,627.09 is: 1,082,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,549.81 : 1,873,309.48 = 784,627.09 : x
  2. Step 2: Convert to fraction form
    1,357,549.81/1,873,309.48 = 784,627.09/x
  3. Step 3: Cross multiply
    1,357,549.81x = 1,873,309.48 × 784,627.09
  4. Step 4: Simplify right side
    1,357,549.81x = 1,469,849,365,961.81
  5. Step 5: Solve for x
    x = 1,469,849,365,961.81/1,357,549.81
  6. Step 6: Final answer
    x = 1,082,722.24

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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.