Home / 1,211,240.70-1,818,829.35-876,629.70

Finding the Fourth Proportional to 1,211,240.70, 1,818,829.35 and 876,629.70

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Solution

The fourth proportional to 1,211,240.70, 1,818,829.35 and 876,629.70 is: 1,316,369.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,240.70 : 1,818,829.35 = 876,629.70 : x
  2. Step 2: Convert to fraction form
    1,211,240.70/1,818,829.35 = 876,629.70/x
  3. Step 3: Cross multiply
    1,211,240.70x = 1,818,829.35 × 876,629.70
  4. Step 4: Simplify right side
    1,211,240.70x = 1,594,439,827,441.70
  5. Step 5: Solve for x
    x = 1,594,439,827,441.70/1,211,240.70
  6. Step 6: Final answer
    x = 1,316,369.10

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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.