Home / 750,260.72-1,125,386.16-189,295.76

Finding the Fourth Proportional to 750,260.72, 1,125,386.16 and 189,295.76

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Solution

The fourth proportional to 750,260.72, 1,125,386.16 and 189,295.76 is: 283,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,260.72 : 1,125,386.16 = 189,295.76 : x
  2. Step 2: Convert to fraction form
    750,260.72/1,125,386.16 = 189,295.76/x
  3. Step 3: Cross multiply
    750,260.72x = 1,125,386.16 × 189,295.76
  4. Step 4: Simplify right side
    750,260.72x = 213,030,828,450.68
  5. Step 5: Solve for x
    x = 213,030,828,450.68/750,260.72
  6. Step 6: Final answer
    x = 283,942.40

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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.