Home / 1,662,968.40-2,495,108.70-651,918.30

Finding the Fourth Proportional to 1,662,968.40, 2,495,108.70 and 651,918.30

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Solution

The fourth proportional to 1,662,968.40, 2,495,108.70 and 651,918.30 is: 978,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,968.40 : 2,495,108.70 = 651,918.30 : x
  2. Step 2: Convert to fraction form
    1,662,968.40/2,495,108.70 = 651,918.30/x
  3. Step 3: Cross multiply
    1,662,968.40x = 2,495,108.70 × 651,918.30
  4. Step 4: Simplify right side
    1,662,968.40x = 1,626,607,022,019.21
  5. Step 5: Solve for x
    x = 1,626,607,022,019.21/1,662,968.40
  6. Step 6: Final answer
    x = 978,134.65

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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.