Home / 1,210,838.64-1,669,211.64-847,135.68

Finding the Fourth Proportional to 1,210,838.64, 1,669,211.64 and 847,135.68

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Solution

The fourth proportional to 1,210,838.64, 1,669,211.64 and 847,135.68 is: 1,167,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,838.64 : 1,669,211.64 = 847,135.68 : x
  2. Step 2: Convert to fraction form
    1,210,838.64/1,669,211.64 = 847,135.68/x
  3. Step 3: Cross multiply
    1,210,838.64x = 1,669,211.64 × 847,135.68
  4. Step 4: Simplify right side
    1,210,838.64x = 1,414,048,737,715.32
  5. Step 5: Solve for x
    x = 1,414,048,737,715.32/1,210,838.64
  6. Step 6: Final answer
    x = 1,167,825.91

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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.