Home / 1,111,130.61-1,665,409.32-510,831.92

Finding the Fourth Proportional to 1,111,130.61, 1,665,409.32 and 510,831.92

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Solution

The fourth proportional to 1,111,130.61, 1,665,409.32 and 510,831.92 is: 765,656.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,130.61 : 1,665,409.32 = 510,831.92 : x
  2. Step 2: Convert to fraction form
    1,111,130.61/1,665,409.32 = 510,831.92/x
  3. Step 3: Cross multiply
    1,111,130.61x = 1,665,409.32 × 510,831.92
  4. Step 4: Simplify right side
    1,111,130.61x = 850,744,232,194.45
  5. Step 5: Solve for x
    x = 850,744,232,194.45/1,111,130.61
  6. Step 6: Final answer
    x = 765,656.37

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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.