Home / 1,240,387.10-1,858,089.47-565,540.10

Finding the Fourth Proportional to 1,240,387.10, 1,858,089.47 and 565,540.10

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Solution

The fourth proportional to 1,240,387.10, 1,858,089.47 and 565,540.10 is: 847,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,387.10 : 1,858,089.47 = 565,540.10 : x
  2. Step 2: Convert to fraction form
    1,240,387.10/1,858,089.47 = 565,540.10/x
  3. Step 3: Cross multiply
    1,240,387.10x = 1,858,089.47 × 565,540.10
  4. Step 4: Simplify right side
    1,240,387.10x = 1,050,824,092,554.60
  5. Step 5: Solve for x
    x = 1,050,824,092,554.60/1,240,387.10
  6. Step 6: Final answer
    x = 847,174.32

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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.