Home / 1,310,671.55-1,807,794.82-874,869.12

Finding the Fourth Proportional to 1,310,671.55, 1,807,794.82 and 874,869.12

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Solution

The fourth proportional to 1,310,671.55, 1,807,794.82 and 874,869.12 is: 1,206,697.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,671.55 : 1,807,794.82 = 874,869.12 : x
  2. Step 2: Convert to fraction form
    1,310,671.55/1,807,794.82 = 874,869.12/x
  3. Step 3: Cross multiply
    1,310,671.55x = 1,807,794.82 × 874,869.12
  4. Step 4: Simplify right side
    1,310,671.55x = 1,581,583,864,407.55
  5. Step 5: Solve for x
    x = 1,581,583,864,407.55/1,310,671.55
  6. Step 6: Final answer
    x = 1,206,697.34

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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.