Home / 1,755,137.60-2,631,928.80-808,798.40

Finding the Fourth Proportional to 1,755,137.60, 2,631,928.80 and 808,798.40

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Solution

The fourth proportional to 1,755,137.60, 2,631,928.80 and 808,798.40 is: 1,212,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,137.60 : 2,631,928.80 = 808,798.40 : x
  2. Step 2: Convert to fraction form
    1,755,137.60/2,631,928.80 = 808,798.40/x
  3. Step 3: Cross multiply
    1,755,137.60x = 2,631,928.80 × 808,798.40
  4. Step 4: Simplify right side
    1,755,137.60x = 2,128,699,802,353.92
  5. Step 5: Solve for x
    x = 2,128,699,802,353.92/1,755,137.60
  6. Step 6: Final answer
    x = 1,212,839.27

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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.