Home / 1,243,618.20-1,865,427.30-1,103,650.20

Finding the Fourth Proportional to 1,243,618.20, 1,865,427.30 and 1,103,650.20

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Solution

The fourth proportional to 1,243,618.20, 1,865,427.30 and 1,103,650.20 is: 1,655,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,618.20 : 1,865,427.30 = 1,103,650.20 : x
  2. Step 2: Convert to fraction form
    1,243,618.20/1,865,427.30 = 1,103,650.20/x
  3. Step 3: Cross multiply
    1,243,618.20x = 1,865,427.30 × 1,103,650.20
  4. Step 4: Simplify right side
    1,243,618.20x = 2,058,779,212,730.46
  5. Step 5: Solve for x
    x = 2,058,779,212,730.46/1,243,618.20
  6. Step 6: Final answer
    x = 1,655,475.30

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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.