Home / 1,249,218.45-1,723,926.85-676,258.61

Finding the Fourth Proportional to 1,249,218.45, 1,723,926.85 and 676,258.61

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Solution

The fourth proportional to 1,249,218.45, 1,723,926.85 and 676,258.61 is: 933,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,218.45 : 1,723,926.85 = 676,258.61 : x
  2. Step 2: Convert to fraction form
    1,249,218.45/1,723,926.85 = 676,258.61/x
  3. Step 3: Cross multiply
    1,249,218.45x = 1,723,926.85 × 676,258.61
  4. Step 4: Simplify right side
    1,249,218.45x = 1,165,820,365,012.40
  5. Step 5: Solve for x
    x = 1,165,820,365,012.40/1,249,218.45
  6. Step 6: Final answer
    x = 933,239.79

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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.