Home / 1,551,319.94-2,139,056.46-1,092,287.78

Finding the Fourth Proportional to 1,551,319.94, 2,139,056.46 and 1,092,287.78

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Solution

The fourth proportional to 1,551,319.94, 2,139,056.46 and 1,092,287.78 is: 1,506,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,319.94 : 2,139,056.46 = 1,092,287.78 : x
  2. Step 2: Convert to fraction form
    1,551,319.94/2,139,056.46 = 1,092,287.78/x
  3. Step 3: Cross multiply
    1,551,319.94x = 2,139,056.46 × 1,092,287.78
  4. Step 4: Simplify right side
    1,551,319.94x = 2,336,465,231,988.06
  5. Step 5: Solve for x
    x = 2,336,465,231,988.06/1,551,319.94
  6. Step 6: Final answer
    x = 1,506,114.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.