Home / 1,448,348.72-1,998,258.88-836,420.66

Finding the Fourth Proportional to 1,448,348.72, 1,998,258.88 and 836,420.66

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Solution

The fourth proportional to 1,448,348.72, 1,998,258.88 and 836,420.66 is: 1,153,993.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,348.72 : 1,998,258.88 = 836,420.66 : x
  2. Step 2: Convert to fraction form
    1,448,348.72/1,998,258.88 = 836,420.66/x
  3. Step 3: Cross multiply
    1,448,348.72x = 1,998,258.88 × 836,420.66
  4. Step 4: Simplify right side
    1,448,348.72x = 1,671,385,011,260.46
  5. Step 5: Solve for x
    x = 1,671,385,011,260.46/1,448,348.72
  6. Step 6: Final answer
    x = 1,153,993.50

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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.