Home / 1,124,536.88-1,686,617.40-493,281.20

Finding the Fourth Proportional to 1,124,536.88, 1,686,617.40 and 493,281.20

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Solution

The fourth proportional to 1,124,536.88, 1,686,617.40 and 493,281.20 is: 739,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,536.88 : 1,686,617.40 = 493,281.20 : x
  2. Step 2: Convert to fraction form
    1,124,536.88/1,686,617.40 = 493,281.20/x
  3. Step 3: Cross multiply
    1,124,536.88x = 1,686,617.40 × 493,281.20
  4. Step 4: Simplify right side
    1,124,536.88x = 831,976,655,012.88
  5. Step 5: Solve for x
    x = 831,976,655,012.88/1,124,536.88
  6. Step 6: Final answer
    x = 739,839.37

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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.