Home / 1,416,831.72-1,955,138.98-780,927.72

Finding the Fourth Proportional to 1,416,831.72, 1,955,138.98 and 780,927.72

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Solution

The fourth proportional to 1,416,831.72, 1,955,138.98 and 780,927.72 is: 1,077,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,831.72 : 1,955,138.98 = 780,927.72 : x
  2. Step 2: Convert to fraction form
    1,416,831.72/1,955,138.98 = 780,927.72/x
  3. Step 3: Cross multiply
    1,416,831.72x = 1,955,138.98 × 780,927.72
  4. Step 4: Simplify right side
    1,416,831.72x = 1,526,822,225,934.53
  5. Step 5: Solve for x
    x = 1,526,822,225,934.53/1,416,831.72
  6. Step 6: Final answer
    x = 1,077,631.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.