Home / 1,262,214.90-1,741,921.83-772,030.76

Finding the Fourth Proportional to 1,262,214.90, 1,741,921.83 and 772,030.76

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Solution

The fourth proportional to 1,262,214.90, 1,741,921.83 and 772,030.76 is: 1,065,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,214.90 : 1,741,921.83 = 772,030.76 : x
  2. Step 2: Convert to fraction form
    1,262,214.90/1,741,921.83 = 772,030.76/x
  3. Step 3: Cross multiply
    1,262,214.90x = 1,741,921.83 × 772,030.76
  4. Step 4: Simplify right side
    1,262,214.90x = 1,344,817,225,565.88
  5. Step 5: Solve for x
    x = 1,344,817,225,565.88/1,262,214.90
  6. Step 6: Final answer
    x = 1,065,442.36

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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.