Home / 1,755,188.16-2,631,009.60-690,977.04

Finding the Fourth Proportional to 1,755,188.16, 2,631,009.60 and 690,977.04

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Solution

The fourth proportional to 1,755,188.16, 2,631,009.60 and 690,977.04 is: 1,035,767.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,188.16 : 2,631,009.60 = 690,977.04 : x
  2. Step 2: Convert to fraction form
    1,755,188.16/2,631,009.60 = 690,977.04/x
  3. Step 3: Cross multiply
    1,755,188.16x = 2,631,009.60 × 690,977.04
  4. Step 4: Simplify right side
    1,755,188.16x = 1,817,967,225,619.58
  5. Step 5: Solve for x
    x = 1,817,967,225,619.58/1,755,188.16
  6. Step 6: Final answer
    x = 1,035,767.71

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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.