Home / 1,211,384.86-1,671,711.24-702,382.48

Finding the Fourth Proportional to 1,211,384.86, 1,671,711.24 and 702,382.48

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Solution

The fourth proportional to 1,211,384.86, 1,671,711.24 and 702,382.48 is: 969,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,384.86 : 1,671,711.24 = 702,382.48 : x
  2. Step 2: Convert to fraction form
    1,211,384.86/1,671,711.24 = 702,382.48/x
  3. Step 3: Cross multiply
    1,211,384.86x = 1,671,711.24 × 702,382.48
  4. Step 4: Simplify right side
    1,211,384.86x = 1,174,180,686,595.08
  5. Step 5: Solve for x
    x = 1,174,180,686,595.08/1,211,384.86
  6. Step 6: Final answer
    x = 969,287.90

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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.