Home / 1,090,475.10-1,635,971.40-342,521.10

Finding the Fourth Proportional to 1,090,475.10, 1,635,971.40 and 342,521.10

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Solution

The fourth proportional to 1,090,475.10, 1,635,971.40 and 342,521.10 is: 513,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,475.10 : 1,635,971.40 = 342,521.10 : x
  2. Step 2: Convert to fraction form
    1,090,475.10/1,635,971.40 = 342,521.10/x
  3. Step 3: Cross multiply
    1,090,475.10x = 1,635,971.40 × 342,521.10
  4. Step 4: Simplify right side
    1,090,475.10x = 560,354,723,496.54
  5. Step 5: Solve for x
    x = 560,354,723,496.54/1,090,475.10
  6. Step 6: Final answer
    x = 513,862.92

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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.