Home / 1,074,459.81-1,611,889.05-354,851.37

Finding the Fourth Proportional to 1,074,459.81, 1,611,889.05 and 354,851.37

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Solution

The fourth proportional to 1,074,459.81, 1,611,889.05 and 354,851.37 is: 532,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,459.81 : 1,611,889.05 = 354,851.37 : x
  2. Step 2: Convert to fraction form
    1,074,459.81/1,611,889.05 = 354,851.37/x
  3. Step 3: Cross multiply
    1,074,459.81x = 1,611,889.05 × 354,851.37
  4. Step 4: Simplify right side
    1,074,459.81x = 571,981,037,680.50
  5. Step 5: Solve for x
    x = 571,981,037,680.50/1,074,459.81
  6. Step 6: Final answer
    x = 532,342.89

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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.