Home / 1,238,222.81-1,857,022.50-479,804.02

Finding the Fourth Proportional to 1,238,222.81, 1,857,022.50 and 479,804.02

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Solution

The fourth proportional to 1,238,222.81, 1,857,022.50 and 479,804.02 is: 719,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,222.81 : 1,857,022.50 = 479,804.02 : x
  2. Step 2: Convert to fraction form
    1,238,222.81/1,857,022.50 = 479,804.02/x
  3. Step 3: Cross multiply
    1,238,222.81x = 1,857,022.50 × 479,804.02
  4. Step 4: Simplify right side
    1,238,222.81x = 891,006,851,445.34
  5. Step 5: Solve for x
    x = 891,006,851,445.34/1,238,222.81
  6. Step 6: Final answer
    x = 719,585.23

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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.