Home / 1,785,619.84-2,464,173.48-969,831.40

Finding the Fourth Proportional to 1,785,619.84, 2,464,173.48 and 969,831.40

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Solution

The fourth proportional to 1,785,619.84, 2,464,173.48 and 969,831.40 is: 1,338,377.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,619.84 : 2,464,173.48 = 969,831.40 : x
  2. Step 2: Convert to fraction form
    1,785,619.84/2,464,173.48 = 969,831.40/x
  3. Step 3: Cross multiply
    1,785,619.84x = 2,464,173.48 × 969,831.40
  4. Step 4: Simplify right side
    1,785,619.84x = 2,389,832,815,951.27
  5. Step 5: Solve for x
    x = 2,389,832,815,951.27/1,785,619.84
  6. Step 6: Final answer
    x = 1,338,377.16

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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.