Home / 1,321,088.85-1,823,147.50-1,260,554.40

Finding the Fourth Proportional to 1,321,088.85, 1,823,147.50 and 1,260,554.40

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Solution

The fourth proportional to 1,321,088.85, 1,823,147.50 and 1,260,554.40 is: 1,739,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,088.85 : 1,823,147.50 = 1,260,554.40 : x
  2. Step 2: Convert to fraction form
    1,321,088.85/1,823,147.50 = 1,260,554.40/x
  3. Step 3: Cross multiply
    1,321,088.85x = 1,823,147.50 × 1,260,554.40
  4. Step 4: Simplify right side
    1,321,088.85x = 2,298,176,606,659.42
  5. Step 5: Solve for x
    x = 2,298,176,606,659.42/1,321,088.85
  6. Step 6: Final answer
    x = 1,739,607.90

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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.