Home / 1,263,288.62-1,893,141.60-977,649.50

Finding the Fourth Proportional to 1,263,288.62, 1,893,141.60 and 977,649.50

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Solution

The fourth proportional to 1,263,288.62, 1,893,141.60 and 977,649.50 is: 1,465,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,288.62 : 1,893,141.60 = 977,649.50 : x
  2. Step 2: Convert to fraction form
    1,263,288.62/1,893,141.60 = 977,649.50/x
  3. Step 3: Cross multiply
    1,263,288.62x = 1,893,141.60 × 977,649.50
  4. Step 4: Simplify right side
    1,263,288.62x = 1,850,828,938,669.20
  5. Step 5: Solve for x
    x = 1,850,828,938,669.20/1,263,288.62
  6. Step 6: Final answer
    x = 1,465,087.95

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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.