Home / 1,292,056.16-1,937,936.61-345,500.69

Finding the Fourth Proportional to 1,292,056.16, 1,937,936.61 and 345,500.69

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Solution

The fourth proportional to 1,292,056.16, 1,937,936.61 and 345,500.69 is: 518,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,056.16 : 1,937,936.61 = 345,500.69 : x
  2. Step 2: Convert to fraction form
    1,292,056.16/1,937,936.61 = 345,500.69/x
  3. Step 3: Cross multiply
    1,292,056.16x = 1,937,936.61 × 345,500.69
  4. Step 4: Simplify right side
    1,292,056.16x = 669,558,426,241.58
  5. Step 5: Solve for x
    x = 669,558,426,241.58/1,292,056.16
  6. Step 6: Final answer
    x = 518,211.55

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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.