Home / 1,421,221.46-1,961,485.62-904,810.38

Finding the Fourth Proportional to 1,421,221.46, 1,961,485.62 and 904,810.38

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Solution

The fourth proportional to 1,421,221.46, 1,961,485.62 and 904,810.38 is: 1,248,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,221.46 : 1,961,485.62 = 904,810.38 : x
  2. Step 2: Convert to fraction form
    1,421,221.46/1,961,485.62 = 904,810.38/x
  3. Step 3: Cross multiply
    1,421,221.46x = 1,961,485.62 × 904,810.38
  4. Step 4: Simplify right side
    1,421,221.46x = 1,774,772,549,196.74
  5. Step 5: Solve for x
    x = 1,774,772,549,196.74/1,421,221.46
  6. Step 6: Final answer
    x = 1,248,765.66

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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.