Home / 1,345,726.48-2,018,597.01-399,105.40

Finding the Fourth Proportional to 1,345,726.48, 2,018,597.01 and 399,105.40

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Solution

The fourth proportional to 1,345,726.48, 2,018,597.01 and 399,105.40 is: 598,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,726.48 : 2,018,597.01 = 399,105.40 : x
  2. Step 2: Convert to fraction form
    1,345,726.48/2,018,597.01 = 399,105.40/x
  3. Step 3: Cross multiply
    1,345,726.48x = 2,018,597.01 × 399,105.40
  4. Step 4: Simplify right side
    1,345,726.48x = 805,632,967,114.85
  5. Step 5: Solve for x
    x = 805,632,967,114.85/1,345,726.48
  6. Step 6: Final answer
    x = 598,660.26

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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.