Home / 971,999.10-1,457,998.65-618,579.90

Finding the Fourth Proportional to 971,999.10, 1,457,998.65 and 618,579.90

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Solution

The fourth proportional to 971,999.10, 1,457,998.65 and 618,579.90 is: 927,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,999.10 : 1,457,998.65 = 618,579.90 : x
  2. Step 2: Convert to fraction form
    971,999.10/1,457,998.65 = 618,579.90/x
  3. Step 3: Cross multiply
    971,999.10x = 1,457,998.65 × 618,579.90
  4. Step 4: Simplify right side
    971,999.10x = 901,888,659,117.14
  5. Step 5: Solve for x
    x = 901,888,659,117.14/971,999.10
  6. Step 6: Final answer
    x = 927,869.85

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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.