Home / 1,249,422.40-1,723,499.04-790,394.56

Finding the Fourth Proportional to 1,249,422.40, 1,723,499.04 and 790,394.56

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Solution

The fourth proportional to 1,249,422.40, 1,723,499.04 and 790,394.56 is: 1,090,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,422.40 : 1,723,499.04 = 790,394.56 : x
  2. Step 2: Convert to fraction form
    1,249,422.40/1,723,499.04 = 790,394.56/x
  3. Step 3: Cross multiply
    1,249,422.40x = 1,723,499.04 × 790,394.56
  4. Step 4: Simplify right side
    1,249,422.40x = 1,362,244,265,381.22
  5. Step 5: Solve for x
    x = 1,362,244,265,381.22/1,249,422.40
  6. Step 6: Final answer
    x = 1,090,299.22

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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.