Home / 1,204,639.02-1,806,631.70-521,760.42

Finding the Fourth Proportional to 1,204,639.02, 1,806,631.70 and 521,760.42

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Solution

The fourth proportional to 1,204,639.02, 1,806,631.70 and 521,760.42 is: 782,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,639.02 : 1,806,631.70 = 521,760.42 : x
  2. Step 2: Convert to fraction form
    1,204,639.02/1,806,631.70 = 521,760.42/x
  3. Step 3: Cross multiply
    1,204,639.02x = 1,806,631.70 × 521,760.42
  4. Step 4: Simplify right side
    1,204,639.02x = 942,628,911,968.51
  5. Step 5: Solve for x
    x = 942,628,911,968.51/1,204,639.02
  6. Step 6: Final answer
    x = 782,499.07

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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.