Home / 1,662,972.40-2,495,114.70-651,922.30

Finding the Fourth Proportional to 1,662,972.40, 2,495,114.70 and 651,922.30

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Solution

The fourth proportional to 1,662,972.40, 2,495,114.70 and 651,922.30 is: 978,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,972.40 : 2,495,114.70 = 651,922.30 : x
  2. Step 2: Convert to fraction form
    1,662,972.40/2,495,114.70 = 651,922.30/x
  3. Step 3: Cross multiply
    1,662,972.40x = 2,495,114.70 × 651,922.30
  4. Step 4: Simplify right side
    1,662,972.40x = 1,626,620,913,987.81
  5. Step 5: Solve for x
    x = 1,626,620,913,987.81/1,662,972.40
  6. Step 6: Final answer
    x = 978,140.66

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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.