Home / 1,065,470.25-1,470,377.74-635,999.50

Finding the Fourth Proportional to 1,065,470.25, 1,470,377.74 and 635,999.50

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Solution

The fourth proportional to 1,065,470.25, 1,470,377.74 and 635,999.50 is: 877,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,470.25 : 1,470,377.74 = 635,999.50 : x
  2. Step 2: Convert to fraction form
    1,065,470.25/1,470,377.74 = 635,999.50/x
  3. Step 3: Cross multiply
    1,065,470.25x = 1,470,377.74 × 635,999.50
  4. Step 4: Simplify right side
    1,065,470.25x = 935,159,498,831.98
  5. Step 5: Solve for x
    x = 935,159,498,831.98/1,065,470.25
  6. Step 6: Final answer
    x = 877,696.49

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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.