Home / 1,238,348.88-1,708,924.53-722,457.45

Finding the Fourth Proportional to 1,238,348.88, 1,708,924.53 and 722,457.45

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Solution

The fourth proportional to 1,238,348.88, 1,708,924.53 and 722,457.45 is: 996,993.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,348.88 : 1,708,924.53 = 722,457.45 : x
  2. Step 2: Convert to fraction form
    1,238,348.88/1,708,924.53 = 722,457.45/x
  3. Step 3: Cross multiply
    1,238,348.88x = 1,708,924.53 × 722,457.45
  4. Step 4: Simplify right side
    1,238,348.88x = 1,234,625,265,701.81
  5. Step 5: Solve for x
    x = 1,234,625,265,701.81/1,238,348.88
  6. Step 6: Final answer
    x = 996,993.08

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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.