Home / 1,210,785.80-1,671,002.32-904,330.12

Finding the Fourth Proportional to 1,210,785.80, 1,671,002.32 and 904,330.12

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Solution

The fourth proportional to 1,210,785.80, 1,671,002.32 and 904,330.12 is: 1,248,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,785.80 : 1,671,002.32 = 904,330.12 : x
  2. Step 2: Convert to fraction form
    1,210,785.80/1,671,002.32 = 904,330.12/x
  3. Step 3: Cross multiply
    1,210,785.80x = 1,671,002.32 × 904,330.12
  4. Step 4: Simplify right side
    1,210,785.80x = 1,511,137,728,565.88
  5. Step 5: Solve for x
    x = 1,511,137,728,565.88/1,210,785.80
  6. Step 6: Final answer
    x = 1,248,063.64

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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.