Home / 1,296,642.60-1,942,631.10-1,110,018.60

Finding the Fourth Proportional to 1,296,642.60, 1,942,631.10 and 1,110,018.60

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Solution

The fourth proportional to 1,296,642.60, 1,942,631.10 and 1,110,018.60 is: 1,663,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,642.60 : 1,942,631.10 = 1,110,018.60 : x
  2. Step 2: Convert to fraction form
    1,296,642.60/1,942,631.10 = 1,110,018.60/x
  3. Step 3: Cross multiply
    1,296,642.60x = 1,942,631.10 × 1,110,018.60
  4. Step 4: Simplify right side
    1,296,642.60x = 2,156,356,653,938.46
  5. Step 5: Solve for x
    x = 2,156,356,653,938.46/1,296,642.60
  6. Step 6: Final answer
    x = 1,663,030.86

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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.