Home / 1,755,189.16-2,631,011.10-690,978.04

Finding the Fourth Proportional to 1,755,189.16, 2,631,011.10 and 690,978.04

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Solution

The fourth proportional to 1,755,189.16, 2,631,011.10 and 690,978.04 is: 1,035,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,189.16 : 2,631,011.10 = 690,978.04 : x
  2. Step 2: Convert to fraction form
    1,755,189.16/2,631,011.10 = 690,978.04/x
  3. Step 3: Cross multiply
    1,755,189.16x = 2,631,011.10 × 690,978.04
  4. Step 4: Simplify right side
    1,755,189.16x = 1,817,970,893,096.24
  5. Step 5: Solve for x
    x = 1,817,970,893,096.24/1,755,189.16
  6. Step 6: Final answer
    x = 1,035,769.21

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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.