Home / 1,330,247.70-1,995,371.55-905,094.90

Finding the Fourth Proportional to 1,330,247.70, 1,995,371.55 and 905,094.90

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Solution

The fourth proportional to 1,330,247.70, 1,995,371.55 and 905,094.90 is: 1,357,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,247.70 : 1,995,371.55 = 905,094.90 : x
  2. Step 2: Convert to fraction form
    1,330,247.70/1,995,371.55 = 905,094.90/x
  3. Step 3: Cross multiply
    1,330,247.70x = 1,995,371.55 × 905,094.90
  4. Step 4: Simplify right side
    1,330,247.70x = 1,806,000,613,510.10
  5. Step 5: Solve for x
    x = 1,806,000,613,510.10/1,330,247.70
  6. Step 6: Final answer
    x = 1,357,642.35

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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.