Home / 1,342,535.72-1,852,231.86-761,690.39

Finding the Fourth Proportional to 1,342,535.72, 1,852,231.86 and 761,690.39

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Solution

The fourth proportional to 1,342,535.72, 1,852,231.86 and 761,690.39 is: 1,050,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,535.72 : 1,852,231.86 = 761,690.39 : x
  2. Step 2: Convert to fraction form
    1,342,535.72/1,852,231.86 = 761,690.39/x
  3. Step 3: Cross multiply
    1,342,535.72x = 1,852,231.86 × 761,690.39
  4. Step 4: Simplify right side
    1,342,535.72x = 1,410,827,198,552.67
  5. Step 5: Solve for x
    x = 1,410,827,198,552.67/1,342,535.72
  6. Step 6: Final answer
    x = 1,050,867.54

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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.