Home / 1,407,923.23-2,110,632.34-509,165.15

Finding the Fourth Proportional to 1,407,923.23, 2,110,632.34 and 509,165.15

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Solution

The fourth proportional to 1,407,923.23, 2,110,632.34 and 509,165.15 is: 763,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,923.23 : 2,110,632.34 = 509,165.15 : x
  2. Step 2: Convert to fraction form
    1,407,923.23/2,110,632.34 = 509,165.15/x
  3. Step 3: Cross multiply
    1,407,923.23x = 2,110,632.34 × 509,165.15
  4. Step 4: Simplify right side
    1,407,923.23x = 1,074,660,435,994.62
  5. Step 5: Solve for x
    x = 1,074,660,435,994.62/1,407,923.23
  6. Step 6: Final answer
    x = 763,294.77

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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.